Home / 394,340.10-591,510.15-183,999.30

Finding the Fourth Proportional to 394,340.10, 591,510.15 and 183,999.30

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Solution

The fourth proportional to 394,340.10, 591,510.15 and 183,999.30 is: 275,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,340.10 : 591,510.15 = 183,999.30 : x
  2. Step 2: Convert to fraction form
    394,340.10/591,510.15 = 183,999.30/x
  3. Step 3: Cross multiply
    394,340.10x = 591,510.15 × 183,999.30
  4. Step 4: Simplify right side
    394,340.10x = 108,837,453,542.90
  5. Step 5: Solve for x
    x = 108,837,453,542.90/394,340.10
  6. Step 6: Final answer
    x = 275,998.95

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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.