Home / 891,003.60-1,336,505.40-838,515.60

Finding the Fourth Proportional to 891,003.60, 1,336,505.40 and 838,515.60

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Solution

The fourth proportional to 891,003.60, 1,336,505.40 and 838,515.60 is: 1,257,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,003.60 : 1,336,505.40 = 838,515.60 : x
  2. Step 2: Convert to fraction form
    891,003.60/1,336,505.40 = 838,515.60/x
  3. Step 3: Cross multiply
    891,003.60x = 1,336,505.40 × 838,515.60
  4. Step 4: Simplify right side
    891,003.60x = 1,120,680,627,384.24
  5. Step 5: Solve for x
    x = 1,120,680,627,384.24/891,003.60
  6. Step 6: Final answer
    x = 1,257,773.40

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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.