Home / 1,086,084.40-1,629,280.20-338,052.40

Finding the Fourth Proportional to 1,086,084.40, 1,629,280.20 and 338,052.40

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Solution

The fourth proportional to 1,086,084.40, 1,629,280.20 and 338,052.40 is: 507,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,084.40 : 1,629,280.20 = 338,052.40 : x
  2. Step 2: Convert to fraction form
    1,086,084.40/1,629,280.20 = 338,052.40/x
  3. Step 3: Cross multiply
    1,086,084.40x = 1,629,280.20 × 338,052.40
  4. Step 4: Simplify right side
    1,086,084.40x = 550,782,081,882.48
  5. Step 5: Solve for x
    x = 550,782,081,882.48/1,086,084.40
  6. Step 6: Final answer
    x = 507,126.41

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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.