Home / 932,690.40-1,399,726.80-617,042.40

Finding the Fourth Proportional to 932,690.40, 1,399,726.80 and 617,042.40

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Solution

The fourth proportional to 932,690.40, 1,399,726.80 and 617,042.40 is: 926,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,690.40 : 1,399,726.80 = 617,042.40 : x
  2. Step 2: Convert to fraction form
    932,690.40/1,399,726.80 = 617,042.40/x
  3. Step 3: Cross multiply
    932,690.40x = 1,399,726.80 × 617,042.40
  4. Step 4: Simplify right side
    932,690.40x = 863,690,784,016.32
  5. Step 5: Solve for x
    x = 863,690,784,016.32/932,690.40
  6. Step 6: Final answer
    x = 926,020.88

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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.