Home / 566,496.16-781,588.61-321,440.38

Finding the Fourth Proportional to 566,496.16, 781,588.61 and 321,440.38

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Solution

The fourth proportional to 566,496.16, 781,588.61 and 321,440.38 is: 443,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,496.16 : 781,588.61 = 321,440.38 : x
  2. Step 2: Convert to fraction form
    566,496.16/781,588.61 = 321,440.38/x
  3. Step 3: Cross multiply
    566,496.16x = 781,588.61 × 321,440.38
  4. Step 4: Simplify right side
    566,496.16x = 251,234,136,240.90
  5. Step 5: Solve for x
    x = 251,234,136,240.90/566,496.16
  6. Step 6: Final answer
    x = 443,487.80

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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.