Home / 563,248.16-777,088.20-321,356.24

Finding the Fourth Proportional to 563,248.16, 777,088.20 and 321,356.24

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Solution

The fourth proportional to 563,248.16, 777,088.20 and 321,356.24 is: 443,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,248.16 : 777,088.20 = 321,356.24 : x
  2. Step 2: Convert to fraction form
    563,248.16/777,088.20 = 321,356.24/x
  3. Step 3: Cross multiply
    563,248.16x = 777,088.20 × 321,356.24
  4. Step 4: Simplify right side
    563,248.16x = 249,722,142,100.37
  5. Step 5: Solve for x
    x = 249,722,142,100.37/563,248.16
  6. Step 6: Final answer
    x = 443,360.78

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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.