Home / 955,105.38-1,432,349.16-315,265.38

Finding the Fourth Proportional to 955,105.38, 1,432,349.16 and 315,265.38

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Solution

The fourth proportional to 955,105.38, 1,432,349.16 and 315,265.38 is: 472,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,105.38 : 1,432,349.16 = 315,265.38 : x
  2. Step 2: Convert to fraction form
    955,105.38/1,432,349.16 = 315,265.38/x
  3. Step 3: Cross multiply
    955,105.38x = 1,432,349.16 × 315,265.38
  4. Step 4: Simplify right side
    955,105.38x = 451,570,102,220.08
  5. Step 5: Solve for x
    x = 451,570,102,220.08/955,105.38
  6. Step 6: Final answer
    x = 472,796.10

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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.