Home / 955,314.54-1,433,146.76-394,042.86

Finding the Fourth Proportional to 955,314.54, 1,433,146.76 and 394,042.86

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Solution

The fourth proportional to 955,314.54, 1,433,146.76 and 394,042.86 is: 591,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,314.54 : 1,433,146.76 = 394,042.86 : x
  2. Step 2: Convert to fraction form
    955,314.54/1,433,146.76 = 394,042.86/x
  3. Step 3: Cross multiply
    955,314.54x = 1,433,146.76 × 394,042.86
  4. Step 4: Simplify right side
    955,314.54x = 564,721,248,110.13
  5. Step 5: Solve for x
    x = 564,721,248,110.13/955,314.54
  6. Step 6: Final answer
    x = 591,136.45

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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.