Home / 1,287,727.52-1,931,959.92-623,253.92

Finding the Fourth Proportional to 1,287,727.52, 1,931,959.92 and 623,253.92

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Solution

The fourth proportional to 1,287,727.52, 1,931,959.92 and 623,253.92 is: 935,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,727.52 : 1,931,959.92 = 623,253.92 : x
  2. Step 2: Convert to fraction form
    1,287,727.52/1,931,959.92 = 623,253.92/x
  3. Step 3: Cross multiply
    1,287,727.52x = 1,931,959.92 × 623,253.92
  4. Step 4: Simplify right side
    1,287,727.52x = 1,204,101,593,422.89
  5. Step 5: Solve for x
    x = 1,204,101,593,422.89/1,287,727.52
  6. Step 6: Final answer
    x = 935,059.30

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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.