Home / 625,721.60-938,499.14-176,478.54

Finding the Fourth Proportional to 625,721.60, 938,499.14 and 176,478.54

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Solution

The fourth proportional to 625,721.60, 938,499.14 and 176,478.54 is: 264,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,721.60 : 938,499.14 = 176,478.54 : x
  2. Step 2: Convert to fraction form
    625,721.60/938,499.14 = 176,478.54/x
  3. Step 3: Cross multiply
    625,721.60x = 938,499.14 × 176,478.54
  4. Step 4: Simplify right side
    625,721.60x = 165,624,958,018.46
  5. Step 5: Solve for x
    x = 165,624,958,018.46/625,721.60
  6. Step 6: Final answer
    x = 264,694.33

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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.