Home / 1,134,442.32-1,565,600.04-625,144.56

Finding the Fourth Proportional to 1,134,442.32, 1,565,600.04 and 625,144.56

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Solution

The fourth proportional to 1,134,442.32, 1,565,600.04 and 625,144.56 is: 862,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,442.32 : 1,565,600.04 = 625,144.56 : x
  2. Step 2: Convert to fraction form
    1,134,442.32/1,565,600.04 = 625,144.56/x
  3. Step 3: Cross multiply
    1,134,442.32x = 1,565,600.04 × 625,144.56
  4. Step 4: Simplify right side
    1,134,442.32x = 978,726,348,141.78
  5. Step 5: Solve for x
    x = 978,726,348,141.78/1,134,442.32
  6. Step 6: Final answer
    x = 862,737.87

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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.