Home / 558,719.38-771,017.97-304,065.10

Finding the Fourth Proportional to 558,719.38, 771,017.97 and 304,065.10

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Solution

The fourth proportional to 558,719.38, 771,017.97 and 304,065.10 is: 419,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,719.38 : 771,017.97 = 304,065.10 : x
  2. Step 2: Convert to fraction form
    558,719.38/771,017.97 = 304,065.10/x
  3. Step 3: Cross multiply
    558,719.38x = 771,017.97 × 304,065.10
  4. Step 4: Simplify right side
    558,719.38x = 234,439,656,149.85
  5. Step 5: Solve for x
    x = 234,439,656,149.85/558,719.38
  6. Step 6: Final answer
    x = 419,601.80

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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.