Home / 1,010,682.80-1,516,024.20-411,335.45

Finding the Fourth Proportional to 1,010,682.80, 1,516,024.20 and 411,335.45

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Solution

The fourth proportional to 1,010,682.80, 1,516,024.20 and 411,335.45 is: 617,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,682.80 : 1,516,024.20 = 411,335.45 : x
  2. Step 2: Convert to fraction form
    1,010,682.80/1,516,024.20 = 411,335.45/x
  3. Step 3: Cross multiply
    1,010,682.80x = 1,516,024.20 × 411,335.45
  4. Step 4: Simplify right side
    1,010,682.80x = 623,594,496,517.89
  5. Step 5: Solve for x
    x = 623,594,496,517.89/1,010,682.80
  6. Step 6: Final answer
    x = 617,003.18

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Double scale
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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.