Home / 934,147.40-1,401,221.10-747,523.40

Finding the Fourth Proportional to 934,147.40, 1,401,221.10 and 747,523.40

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Solution

The fourth proportional to 934,147.40, 1,401,221.10 and 747,523.40 is: 1,121,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,147.40 : 1,401,221.10 = 747,523.40 : x
  2. Step 2: Convert to fraction form
    934,147.40/1,401,221.10 = 747,523.40/x
  3. Step 3: Cross multiply
    934,147.40x = 1,401,221.10 × 747,523.40
  4. Step 4: Simplify right side
    934,147.40x = 1,047,445,560,823.74
  5. Step 5: Solve for x
    x = 1,047,445,560,823.74/934,147.40
  6. Step 6: Final answer
    x = 1,121,285.10

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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.