Home / 392,655.12-588,948.66-242,918.52

Finding the Fourth Proportional to 392,655.12, 588,948.66 and 242,918.52

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Solution

The fourth proportional to 392,655.12, 588,948.66 and 242,918.52 is: 364,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,655.12 : 588,948.66 = 242,918.52 : x
  2. Step 2: Convert to fraction form
    392,655.12/588,948.66 = 242,918.52/x
  3. Step 3: Cross multiply
    392,655.12x = 588,948.66 × 242,918.52
  4. Step 4: Simplify right side
    392,655.12x = 143,066,536,843.18
  5. Step 5: Solve for x
    x = 143,066,536,843.18/392,655.12
  6. Step 6: Final answer
    x = 364,356.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.