Home / 935,145.44-1,290,474.90-527,243.72

Finding the Fourth Proportional to 935,145.44, 1,290,474.90 and 527,243.72

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Solution

The fourth proportional to 935,145.44, 1,290,474.90 and 527,243.72 is: 727,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,145.44 : 1,290,474.90 = 527,243.72 : x
  2. Step 2: Convert to fraction form
    935,145.44/1,290,474.90 = 527,243.72/x
  3. Step 3: Cross multiply
    935,145.44x = 1,290,474.90 × 527,243.72
  4. Step 4: Simplify right side
    935,145.44x = 680,394,786,842.63
  5. Step 5: Solve for x
    x = 680,394,786,842.63/935,145.44
  6. Step 6: Final answer
    x = 727,581.78

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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.