Home / 408,657.40-563,938.42-236,582.64

Finding the Fourth Proportional to 408,657.40, 563,938.42 and 236,582.64

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Solution

The fourth proportional to 408,657.40, 563,938.42 and 236,582.64 is: 326,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,657.40 : 563,938.42 = 236,582.64 : x
  2. Step 2: Convert to fraction form
    408,657.40/563,938.42 = 236,582.64/x
  3. Step 3: Cross multiply
    408,657.40x = 563,938.42 × 236,582.64
  4. Step 4: Simplify right side
    408,657.40x = 133,418,040,053.17
  5. Step 5: Solve for x
    x = 133,418,040,053.17/408,657.40
  6. Step 6: Final answer
    x = 326,478.95

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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.