Home / 1,692,862.43-2,538,112.59-627,618.47

Finding the Fourth Proportional to 1,692,862.43, 2,538,112.59 and 627,618.47

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Solution

The fourth proportional to 1,692,862.43, 2,538,112.59 and 627,618.47 is: 940,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,862.43 : 2,538,112.59 = 627,618.47 : x
  2. Step 2: Convert to fraction form
    1,692,862.43/2,538,112.59 = 627,618.47/x
  3. Step 3: Cross multiply
    1,692,862.43x = 2,538,112.59 × 627,618.47
  4. Step 4: Simplify right side
    1,692,862.43x = 1,592,966,327,732.97
  5. Step 5: Solve for x
    x = 1,592,966,327,732.97/1,692,862.43
  6. Step 6: Final answer
    x = 940,989.83

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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.