Home / 942,565.38-1,300,701.27-512,847.18

Finding the Fourth Proportional to 942,565.38, 1,300,701.27 and 512,847.18

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Solution

The fourth proportional to 942,565.38, 1,300,701.27 and 512,847.18 is: 707,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,565.38 : 1,300,701.27 = 512,847.18 : x
  2. Step 2: Convert to fraction form
    942,565.38/1,300,701.27 = 512,847.18/x
  3. Step 3: Cross multiply
    942,565.38x = 1,300,701.27 × 512,847.18
  4. Step 4: Simplify right side
    942,565.38x = 667,060,978,341.92
  5. Step 5: Solve for x
    x = 667,060,978,341.92/942,565.38
  6. Step 6: Final answer
    x = 707,707.91

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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.