Home / 818,793.90-1,228,190.85-740,061.90

Finding the Fourth Proportional to 818,793.90, 1,228,190.85 and 740,061.90

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Solution

The fourth proportional to 818,793.90, 1,228,190.85 and 740,061.90 is: 1,110,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,793.90 : 1,228,190.85 = 740,061.90 : x
  2. Step 2: Convert to fraction form
    818,793.90/1,228,190.85 = 740,061.90/x
  3. Step 3: Cross multiply
    818,793.90x = 1,228,190.85 × 740,061.90
  4. Step 4: Simplify right side
    818,793.90x = 908,937,254,013.62
  5. Step 5: Solve for x
    x = 908,937,254,013.62/818,793.90
  6. Step 6: Final answer
    x = 1,110,092.85

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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.