Home / 886,113.60-1,329,170.40-412,846.80

Finding the Fourth Proportional to 886,113.60, 1,329,170.40 and 412,846.80

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Solution

The fourth proportional to 886,113.60, 1,329,170.40 and 412,846.80 is: 619,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,113.60 : 1,329,170.40 = 412,846.80 : x
  2. Step 2: Convert to fraction form
    886,113.60/1,329,170.40 = 412,846.80/x
  3. Step 3: Cross multiply
    886,113.60x = 1,329,170.40 × 412,846.80
  4. Step 4: Simplify right side
    886,113.60x = 548,743,746,294.72
  5. Step 5: Solve for x
    x = 548,743,746,294.72/886,113.60
  6. Step 6: Final answer
    x = 619,270.20

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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.