Home / 725,184.52-1,000,695.96-419,280.53

Finding the Fourth Proportional to 725,184.52, 1,000,695.96 and 419,280.53

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Solution

The fourth proportional to 725,184.52, 1,000,695.96 and 419,280.53 is: 578,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,184.52 : 1,000,695.96 = 419,280.53 : x
  2. Step 2: Convert to fraction form
    725,184.52/1,000,695.96 = 419,280.53/x
  3. Step 3: Cross multiply
    725,184.52x = 1,000,695.96 × 419,280.53
  4. Step 4: Simplify right side
    725,184.52x = 419,572,327,474.18
  5. Step 5: Solve for x
    x = 419,572,327,474.18/725,184.52
  6. Step 6: Final answer
    x = 578,573.20

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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.