Home / 578,660.80-867,991.20-152,195.80

Finding the Fourth Proportional to 578,660.80, 867,991.20 and 152,195.80

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Solution

The fourth proportional to 578,660.80, 867,991.20 and 152,195.80 is: 228,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,660.80 : 867,991.20 = 152,195.80 : x
  2. Step 2: Convert to fraction form
    578,660.80/867,991.20 = 152,195.80/x
  3. Step 3: Cross multiply
    578,660.80x = 867,991.20 × 152,195.80
  4. Step 4: Simplify right side
    578,660.80x = 132,104,615,076.96
  5. Step 5: Solve for x
    x = 132,104,615,076.96/578,660.80
  6. Step 6: Final answer
    x = 228,293.70

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Double scale
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Similar ratio
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1.5x scale

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.