Home / 615,489.12-923,353.20-236,382

Finding the Fourth Proportional to 615,489.12, 923,353.20 and 236,382

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Solution

The fourth proportional to 615,489.12, 923,353.20 and 236,382 is: 354,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,489.12 : 923,353.20 = 236,382 : x
  2. Step 2: Convert to fraction form
    615,489.12/923,353.20 = 236,382/x
  3. Step 3: Cross multiply
    615,489.12x = 923,353.20 × 236,382
  4. Step 4: Simplify right side
    615,489.12x = 218,264,076,122.40
  5. Step 5: Solve for x
    x = 218,264,076,122.40/615,489.12
  6. Step 6: Final answer
    x = 354,618.90

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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.