Home / 932,758.80-1,399,138.20-729,805.20

Finding the Fourth Proportional to 932,758.80, 1,399,138.20 and 729,805.20

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Solution

The fourth proportional to 932,758.80, 1,399,138.20 and 729,805.20 is: 1,094,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,758.80 : 1,399,138.20 = 729,805.20 : x
  2. Step 2: Convert to fraction form
    932,758.80/1,399,138.20 = 729,805.20/x
  3. Step 3: Cross multiply
    932,758.80x = 1,399,138.20 × 729,805.20
  4. Step 4: Simplify right side
    932,758.80x = 1,021,098,333,878.64
  5. Step 5: Solve for x
    x = 1,021,098,333,878.64/932,758.80
  6. Step 6: Final answer
    x = 1,094,707.80

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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.