Home / 1,476,817.20-2,215,225.80-354,886.20

Finding the Fourth Proportional to 1,476,817.20, 2,215,225.80 and 354,886.20

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Solution

The fourth proportional to 1,476,817.20, 2,215,225.80 and 354,886.20 is: 532,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,817.20 : 2,215,225.80 = 354,886.20 : x
  2. Step 2: Convert to fraction form
    1,476,817.20/2,215,225.80 = 354,886.20/x
  3. Step 3: Cross multiply
    1,476,817.20x = 2,215,225.80 × 354,886.20
  4. Step 4: Simplify right side
    1,476,817.20x = 786,153,066,303.96
  5. Step 5: Solve for x
    x = 786,153,066,303.96/1,476,817.20
  6. Step 6: Final answer
    x = 532,329.30

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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.