Home / 439,082.64-605,934.68-237,878.64

Finding the Fourth Proportional to 439,082.64, 605,934.68 and 237,878.64

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Solution

The fourth proportional to 439,082.64, 605,934.68 and 237,878.64 is: 328,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,082.64 : 605,934.68 = 237,878.64 : x
  2. Step 2: Convert to fraction form
    439,082.64/605,934.68 = 237,878.64/x
  3. Step 3: Cross multiply
    439,082.64x = 605,934.68 × 237,878.64
  4. Step 4: Simplify right side
    439,082.64x = 144,138,917,607.24
  5. Step 5: Solve for x
    x = 144,138,917,607.24/439,082.64
  6. Step 6: Final answer
    x = 328,272.87

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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.