Home / 498,763.07-748,249.73-161,777.50

Finding the Fourth Proportional to 498,763.07, 748,249.73 and 161,777.50

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Solution

The fourth proportional to 498,763.07, 748,249.73 and 161,777.50 is: 242,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,763.07 : 748,249.73 = 161,777.50 : x
  2. Step 2: Convert to fraction form
    498,763.07/748,249.73 = 161,777.50/x
  3. Step 3: Cross multiply
    498,763.07x = 748,249.73 × 161,777.50
  4. Step 4: Simplify right side
    498,763.07x = 121,049,973,741.13
  5. Step 5: Solve for x
    x = 121,049,973,741.13/498,763.07
  6. Step 6: Final answer
    x = 242,700.35

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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.