Home / 764,371.95-1,146,695.82-314,847.46

Finding the Fourth Proportional to 764,371.95, 1,146,695.82 and 314,847.46

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Solution

The fourth proportional to 764,371.95, 1,146,695.82 and 314,847.46 is: 472,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,371.95 : 1,146,695.82 = 314,847.46 : x
  2. Step 2: Convert to fraction form
    764,371.95/1,146,695.82 = 314,847.46/x
  3. Step 3: Cross multiply
    764,371.95x = 1,146,695.82 × 314,847.46
  4. Step 4: Simplify right side
    764,371.95x = 361,034,266,319.62
  5. Step 5: Solve for x
    x = 361,034,266,319.62/764,371.95
  6. Step 6: Final answer
    x = 472,327.99

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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.