Home / 516,549.60-773,535.78-326,436.43

Finding the Fourth Proportional to 516,549.60, 773,535.78 and 326,436.43

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Solution

The fourth proportional to 516,549.60, 773,535.78 and 326,436.43 is: 488,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,549.60 : 773,535.78 = 326,436.43 : x
  2. Step 2: Convert to fraction form
    516,549.60/773,535.78 = 326,436.43/x
  3. Step 3: Cross multiply
    516,549.60x = 773,535.78 × 326,436.43
  4. Step 4: Simplify right side
    516,549.60x = 252,510,258,500.47
  5. Step 5: Solve for x
    x = 252,510,258,500.47/516,549.60
  6. Step 6: Final answer
    x = 488,840.29

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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.