Home / 566,064.09-781,280.10-324,508.86

Finding the Fourth Proportional to 566,064.09, 781,280.10 and 324,508.86

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Solution

The fourth proportional to 566,064.09, 781,280.10 and 324,508.86 is: 447,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,064.09 : 781,280.10 = 324,508.86 : x
  2. Step 2: Convert to fraction form
    566,064.09/781,280.10 = 324,508.86/x
  3. Step 3: Cross multiply
    566,064.09x = 781,280.10 × 324,508.86
  4. Step 4: Simplify right side
    566,064.09x = 253,532,314,591.69
  5. Step 5: Solve for x
    x = 253,532,314,591.69/566,064.09
  6. Step 6: Final answer
    x = 447,886.24

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.