Home / 1,653,120.10-2,479,680.15-455,227.30

Finding the Fourth Proportional to 1,653,120.10, 2,479,680.15 and 455,227.30

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Solution

The fourth proportional to 1,653,120.10, 2,479,680.15 and 455,227.30 is: 682,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,120.10 : 2,479,680.15 = 455,227.30 : x
  2. Step 2: Convert to fraction form
    1,653,120.10/2,479,680.15 = 455,227.30/x
  3. Step 3: Cross multiply
    1,653,120.10x = 2,479,680.15 × 455,227.30
  4. Step 4: Simplify right side
    1,653,120.10x = 1,128,818,099,548.10
  5. Step 5: Solve for x
    x = 1,128,818,099,548.10/1,653,120.10
  6. Step 6: Final answer
    x = 682,840.95

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Half scale
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Double scale
Find fourth proportional to 1,653,121.10, 2,479,681.65 and 455,228.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.