Home / 393,724.68-589,700.67-275,921.93

Finding the Fourth Proportional to 393,724.68, 589,700.67 and 275,921.93

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Solution

The fourth proportional to 393,724.68, 589,700.67 and 275,921.93 is: 413,261.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,724.68 : 589,700.67 = 275,921.93 : x
  2. Step 2: Convert to fraction form
    393,724.68/589,700.67 = 275,921.93/x
  3. Step 3: Cross multiply
    393,724.68x = 589,700.67 × 275,921.93
  4. Step 4: Simplify right side
    393,724.68x = 162,711,344,040.19
  5. Step 5: Solve for x
    x = 162,711,344,040.19/393,724.68
  6. Step 6: Final answer
    x = 413,261.73

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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.