Home / 1,069,729.38-1,473,589.86-916,267.58

Finding the Fourth Proportional to 1,069,729.38, 1,473,589.86 and 916,267.58

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Solution

The fourth proportional to 1,069,729.38, 1,473,589.86 and 916,267.58 is: 1,262,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,729.38 : 1,473,589.86 = 916,267.58 : x
  2. Step 2: Convert to fraction form
    1,069,729.38/1,473,589.86 = 916,267.58/x
  3. Step 3: Cross multiply
    1,069,729.38x = 1,473,589.86 × 916,267.58
  4. Step 4: Simplify right side
    1,069,729.38x = 1,350,202,614,934.74
  5. Step 5: Solve for x
    x = 1,350,202,614,934.74/1,069,729.38
  6. Step 6: Final answer
    x = 1,262,190.83

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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.