Home / 1,031,694.80-1,547,542.20-1,025,789.90

Finding the Fourth Proportional to 1,031,694.80, 1,547,542.20 and 1,025,789.90

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Solution

The fourth proportional to 1,031,694.80, 1,547,542.20 and 1,025,789.90 is: 1,538,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,694.80 : 1,547,542.20 = 1,025,789.90 : x
  2. Step 2: Convert to fraction form
    1,031,694.80/1,547,542.20 = 1,025,789.90/x
  3. Step 3: Cross multiply
    1,031,694.80x = 1,547,542.20 × 1,025,789.90
  4. Step 4: Simplify right side
    1,031,694.80x = 1,587,453,158,583.78
  5. Step 5: Solve for x
    x = 1,587,453,158,583.78/1,031,694.80
  6. Step 6: Final answer
    x = 1,538,684.85

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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.