Home / 935,148.11-1,290,478.55-527,246.42

Finding the Fourth Proportional to 935,148.11, 1,290,478.55 and 527,246.42

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Solution

The fourth proportional to 935,148.11, 1,290,478.55 and 527,246.42 is: 727,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,148.11 : 1,290,478.55 = 527,246.42 : x
  2. Step 2: Convert to fraction form
    935,148.11/1,290,478.55 = 527,246.42/x
  3. Step 3: Cross multiply
    935,148.11x = 1,290,478.55 × 527,246.42
  4. Step 4: Simplify right side
    935,148.11x = 680,400,186,485.67
  5. Step 5: Solve for x
    x = 680,400,186,485.67/935,148.11
  6. Step 6: Final answer
    x = 727,585.48

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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.