Home / 498,596.52-748,128.34-245,739.17

Finding the Fourth Proportional to 498,596.52, 748,128.34 and 245,739.17

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Solution

The fourth proportional to 498,596.52, 748,128.34 and 245,739.17 is: 368,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,596.52 : 748,128.34 = 245,739.17 : x
  2. Step 2: Convert to fraction form
    498,596.52/748,128.34 = 245,739.17/x
  3. Step 3: Cross multiply
    498,596.52x = 748,128.34 × 245,739.17
  4. Step 4: Simplify right side
    498,596.52x = 183,844,439,502.57
  5. Step 5: Solve for x
    x = 183,844,439,502.57/498,596.52
  6. Step 6: Final answer
    x = 368,723.87

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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.