Home / 615,964.10-923,785.75-260,795.30

Finding the Fourth Proportional to 615,964.10, 923,785.75 and 260,795.30

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Solution

The fourth proportional to 615,964.10, 923,785.75 and 260,795.30 is: 391,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,964.10 : 923,785.75 = 260,795.30 : x
  2. Step 2: Convert to fraction form
    615,964.10/923,785.75 = 260,795.30/x
  3. Step 3: Cross multiply
    615,964.10x = 923,785.75 × 260,795.30
  4. Step 4: Simplify right side
    615,964.10x = 240,918,981,806.98
  5. Step 5: Solve for x
    x = 240,918,981,806.98/615,964.10
  6. Step 6: Final answer
    x = 391,125.04

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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.