Home / 1,001,023.70-1,381,405.82-542,127.74

Finding the Fourth Proportional to 1,001,023.70, 1,381,405.82 and 542,127.74

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Solution

The fourth proportional to 1,001,023.70, 1,381,405.82 and 542,127.74 is: 748,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,023.70 : 1,381,405.82 = 542,127.74 : x
  2. Step 2: Convert to fraction form
    1,001,023.70/1,381,405.82 = 542,127.74/x
  3. Step 3: Cross multiply
    1,001,023.70x = 1,381,405.82 × 542,127.74
  4. Step 4: Simplify right side
    1,001,023.70x = 748,898,405,601.78
  5. Step 5: Solve for x
    x = 748,898,405,601.78/1,001,023.70
  6. Step 6: Final answer
    x = 748,132.55

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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.