Home / 935,133.86-1,290,458.90-527,232.12

Finding the Fourth Proportional to 935,133.86, 1,290,458.90 and 527,232.12

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Solution

The fourth proportional to 935,133.86, 1,290,458.90 and 527,232.12 is: 727,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,133.86 : 1,290,458.90 = 527,232.12 : x
  2. Step 2: Convert to fraction form
    935,133.86/1,290,458.90 = 527,232.12/x
  3. Step 3: Cross multiply
    935,133.86x = 1,290,458.90 × 527,232.12
  4. Step 4: Simplify right side
    935,133.86x = 680,371,382,937.95
  5. Step 5: Solve for x
    x = 680,371,382,937.95/935,133.86
  6. Step 6: Final answer
    x = 727,565.77

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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.