Home / 958,901.76-1,439,236.08-485,922.24

Finding the Fourth Proportional to 958,901.76, 1,439,236.08 and 485,922.24

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Solution

The fourth proportional to 958,901.76, 1,439,236.08 and 485,922.24 is: 729,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,901.76 : 1,439,236.08 = 485,922.24 : x
  2. Step 2: Convert to fraction form
    958,901.76/1,439,236.08 = 485,922.24/x
  3. Step 3: Cross multiply
    958,901.76x = 1,439,236.08 × 485,922.24
  4. Step 4: Simplify right side
    958,901.76x = 699,356,819,882.42
  5. Step 5: Solve for x
    x = 699,356,819,882.42/958,901.76
  6. Step 6: Final answer
    x = 729,331.04

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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.