Home / 426,289.23-588,279.20-235,302.66

Finding the Fourth Proportional to 426,289.23, 588,279.20 and 235,302.66

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Solution

The fourth proportional to 426,289.23, 588,279.20 and 235,302.66 is: 324,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,289.23 : 588,279.20 = 235,302.66 : x
  2. Step 2: Convert to fraction form
    426,289.23/588,279.20 = 235,302.66/x
  3. Step 3: Cross multiply
    426,289.23x = 588,279.20 × 235,302.66
  4. Step 4: Simplify right side
    426,289.23x = 138,423,659,406.16
  5. Step 5: Solve for x
    x = 138,423,659,406.16/426,289.23
  6. Step 6: Final answer
    x = 324,717.70

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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.