Home / 410,822.10-615,839.49-173,838.78

Finding the Fourth Proportional to 410,822.10, 615,839.49 and 173,838.78

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Solution

The fourth proportional to 410,822.10, 615,839.49 and 173,838.78 is: 260,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,822.10 : 615,839.49 = 173,838.78 : x
  2. Step 2: Convert to fraction form
    410,822.10/615,839.49 = 173,838.78/x
  3. Step 3: Cross multiply
    410,822.10x = 615,839.49 × 173,838.78
  4. Step 4: Simplify right side
    410,822.10x = 107,056,785,617.42
  5. Step 5: Solve for x
    x = 107,056,785,617.42/410,822.10
  6. Step 6: Final answer
    x = 260,591.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.