Home / 514,739.76-772,110.18-215,057.04

Finding the Fourth Proportional to 514,739.76, 772,110.18 and 215,057.04

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Solution

The fourth proportional to 514,739.76, 772,110.18 and 215,057.04 is: 322,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,739.76 : 772,110.18 = 215,057.04 : x
  2. Step 2: Convert to fraction form
    514,739.76/772,110.18 = 215,057.04/x
  3. Step 3: Cross multiply
    514,739.76x = 772,110.18 × 215,057.04
  4. Step 4: Simplify right side
    514,739.76x = 166,047,729,864.67
  5. Step 5: Solve for x
    x = 166,047,729,864.67/514,739.76
  6. Step 6: Final answer
    x = 322,585.79

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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.