Home / 1,128,538.92-1,693,545.66-537,609

Finding the Fourth Proportional to 1,128,538.92, 1,693,545.66 and 537,609

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Solution

The fourth proportional to 1,128,538.92, 1,693,545.66 and 537,609 is: 806,764.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,538.92 : 1,693,545.66 = 537,609 : x
  2. Step 2: Convert to fraction form
    1,128,538.92/1,693,545.66 = 537,609/x
  3. Step 3: Cross multiply
    1,128,538.92x = 1,693,545.66 × 537,609
  4. Step 4: Simplify right side
    1,128,538.92x = 910,465,388,726.94
  5. Step 5: Solve for x
    x = 910,465,388,726.94/1,128,538.92
  6. Step 6: Final answer
    x = 806,764.72

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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.