Home / 736,065.28-1,015,774.32-413,772.54

Finding the Fourth Proportional to 736,065.28, 1,015,774.32 and 413,772.54

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Solution

The fourth proportional to 736,065.28, 1,015,774.32 and 413,772.54 is: 571,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,065.28 : 1,015,774.32 = 413,772.54 : x
  2. Step 2: Convert to fraction form
    736,065.28/1,015,774.32 = 413,772.54/x
  3. Step 3: Cross multiply
    736,065.28x = 1,015,774.32 × 413,772.54
  4. Step 4: Simplify right side
    736,065.28x = 420,299,520,453.17
  5. Step 5: Solve for x
    x = 420,299,520,453.17/736,065.28
  6. Step 6: Final answer
    x = 571,008.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.