Home / 525,268.20-782,905.62-495,371.88

Finding the Fourth Proportional to 525,268.20, 782,905.62 and 495,371.88

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Solution

The fourth proportional to 525,268.20, 782,905.62 and 495,371.88 is: 738,345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,268.20 : 782,905.62 = 495,371.88 : x
  2. Step 2: Convert to fraction form
    525,268.20/782,905.62 = 495,371.88/x
  3. Step 3: Cross multiply
    525,268.20x = 782,905.62 × 495,371.88
  4. Step 4: Simplify right side
    525,268.20x = 387,829,428,841.97
  5. Step 5: Solve for x
    x = 387,829,428,841.97/525,268.20
  6. Step 6: Final answer
    x = 738,345.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.