Home / 958,493.18-1,322,724.87-522,909.20

Finding the Fourth Proportional to 958,493.18, 1,322,724.87 and 522,909.20

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Solution

The fourth proportional to 958,493.18, 1,322,724.87 and 522,909.20 is: 721,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,493.18 : 1,322,724.87 = 522,909.20 : x
  2. Step 2: Convert to fraction form
    958,493.18/1,322,724.87 = 522,909.20/x
  3. Step 3: Cross multiply
    958,493.18x = 1,322,724.87 × 522,909.20
  4. Step 4: Simplify right side
    958,493.18x = 691,665,009,378.73
  5. Step 5: Solve for x
    x = 691,665,009,378.73/958,493.18
  6. Step 6: Final answer
    x = 721,617.04

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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.