Home / 687,512.52-1,032,022.38-546,265.80

Finding the Fourth Proportional to 687,512.52, 1,032,022.38 and 546,265.80

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Solution

The fourth proportional to 687,512.52, 1,032,022.38 and 546,265.80 is: 819,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,512.52 : 1,032,022.38 = 546,265.80 : x
  2. Step 2: Convert to fraction form
    687,512.52/1,032,022.38 = 546,265.80/x
  3. Step 3: Cross multiply
    687,512.52x = 1,032,022.38 × 546,265.80
  4. Step 4: Simplify right side
    687,512.52x = 563,758,531,028.60
  5. Step 5: Solve for x
    x = 563,758,531,028.60/687,512.52
  6. Step 6: Final answer
    x = 819,997.48

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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.