Home / 426,387.16-588,416.10-235,402.12

Finding the Fourth Proportional to 426,387.16, 588,416.10 and 235,402.12

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Solution

The fourth proportional to 426,387.16, 588,416.10 and 235,402.12 is: 324,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,387.16 : 588,416.10 = 235,402.12 : x
  2. Step 2: Convert to fraction form
    426,387.16/588,416.10 = 235,402.12/x
  3. Step 3: Cross multiply
    426,387.16x = 588,416.10 × 235,402.12
  4. Step 4: Simplify right side
    426,387.16x = 138,514,397,382.13
  5. Step 5: Solve for x
    x = 138,514,397,382.13/426,387.16
  6. Step 6: Final answer
    x = 324,855.93

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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.