Home / 1,228,572.40-1,695,403.92-684,757.84

Finding the Fourth Proportional to 1,228,572.40, 1,695,403.92 and 684,757.84

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Solution

The fourth proportional to 1,228,572.40, 1,695,403.92 and 684,757.84 is: 944,951.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,572.40 : 1,695,403.92 = 684,757.84 : x
  2. Step 2: Convert to fraction form
    1,228,572.40/1,695,403.92 = 684,757.84/x
  3. Step 3: Cross multiply
    1,228,572.40x = 1,695,403.92 × 684,757.84
  4. Step 4: Simplify right side
    1,228,572.40x = 1,160,941,126,186.73
  5. Step 5: Solve for x
    x = 1,160,941,126,186.73/1,228,572.40
  6. Step 6: Final answer
    x = 944,951.33

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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.