Home / 426,346.40-588,342.48-235,359.20

Finding the Fourth Proportional to 426,346.40, 588,342.48 and 235,359.20

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Solution

The fourth proportional to 426,346.40, 588,342.48 and 235,359.20 is: 324,787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,346.40 : 588,342.48 = 235,359.20 : x
  2. Step 2: Convert to fraction form
    426,346.40/588,342.48 = 235,359.20/x
  3. Step 3: Cross multiply
    426,346.40x = 588,342.48 × 235,359.20
  4. Step 4: Simplify right side
    426,346.40x = 138,471,815,418.82
  5. Step 5: Solve for x
    x = 138,471,815,418.82/426,346.40
  6. Step 6: Final answer
    x = 324,787.11

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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.