Home / 1,566,332.52-2,161,404.54-868,635.78

Finding the Fourth Proportional to 1,566,332.52, 2,161,404.54 and 868,635.78

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Solution

The fourth proportional to 1,566,332.52, 2,161,404.54 and 868,635.78 is: 1,198,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,332.52 : 2,161,404.54 = 868,635.78 : x
  2. Step 2: Convert to fraction form
    1,566,332.52/2,161,404.54 = 868,635.78/x
  3. Step 3: Cross multiply
    1,566,332.52x = 2,161,404.54 × 868,635.78
  4. Step 4: Simplify right side
    1,566,332.52x = 1,877,473,318,498.44
  5. Step 5: Solve for x
    x = 1,877,473,318,498.44/1,566,332.52
  6. Step 6: Final answer
    x = 1,198,642.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.