Home / 764,934.10-1,055,610.12-425,402.35

Finding the Fourth Proportional to 764,934.10, 1,055,610.12 and 425,402.35

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Solution

The fourth proportional to 764,934.10, 1,055,610.12 and 425,402.35 is: 587,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,934.10 : 1,055,610.12 = 425,402.35 : x
  2. Step 2: Convert to fraction form
    764,934.10/1,055,610.12 = 425,402.35/x
  3. Step 3: Cross multiply
    764,934.10x = 1,055,610.12 × 425,402.35
  4. Step 4: Simplify right side
    764,934.10x = 449,059,025,731.78
  5. Step 5: Solve for x
    x = 449,059,025,731.78/764,934.10
  6. Step 6: Final answer
    x = 587,055.83

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1.5x scale

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.