Home / 498,073.59-687,321.05-294,190.52

Finding the Fourth Proportional to 498,073.59, 687,321.05 and 294,190.52

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Solution

The fourth proportional to 498,073.59, 687,321.05 and 294,190.52 is: 405,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,073.59 : 687,321.05 = 294,190.52 : x
  2. Step 2: Convert to fraction form
    498,073.59/687,321.05 = 294,190.52/x
  3. Step 3: Cross multiply
    498,073.59x = 687,321.05 × 294,190.52
  4. Step 4: Simplify right side
    498,073.59x = 202,203,332,198.89
  5. Step 5: Solve for x
    x = 202,203,332,198.89/498,073.59
  6. Step 6: Final answer
    x = 405,970.80

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1.5x scale

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.