Home / 615,516.20-923,144.70-260,541.80

Finding the Fourth Proportional to 615,516.20, 923,144.70 and 260,541.80

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Solution

The fourth proportional to 615,516.20, 923,144.70 and 260,541.80 is: 390,757.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,516.20 : 923,144.70 = 260,541.80 : x
  2. Step 2: Convert to fraction form
    615,516.20/923,144.70 = 260,541.80/x
  3. Step 3: Cross multiply
    615,516.20x = 923,144.70 × 260,541.80
  4. Step 4: Simplify right side
    615,516.20x = 240,517,781,798.46
  5. Step 5: Solve for x
    x = 240,517,781,798.46/615,516.20
  6. Step 6: Final answer
    x = 390,757.84

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1.5x scale

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.