Home / 426,541.25-588,356.59-324,342.66

Finding the Fourth Proportional to 426,541.25, 588,356.59 and 324,342.66

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Solution

The fourth proportional to 426,541.25, 588,356.59 and 324,342.66 is: 447,387.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,541.25 : 588,356.59 = 324,342.66 : x
  2. Step 2: Convert to fraction form
    426,541.25/588,356.59 = 324,342.66/x
  3. Step 3: Cross multiply
    426,541.25x = 588,356.59 × 324,342.66
  4. Step 4: Simplify right side
    426,541.25x = 190,829,142,520.54
  5. Step 5: Solve for x
    x = 190,829,142,520.54/426,541.25
  6. Step 6: Final answer
    x = 447,387.31

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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.