Home / 698,229.40-1,047,344.10-414,794.20

Finding the Fourth Proportional to 698,229.40, 1,047,344.10 and 414,794.20

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Solution

The fourth proportional to 698,229.40, 1,047,344.10 and 414,794.20 is: 622,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,229.40 : 1,047,344.10 = 414,794.20 : x
  2. Step 2: Convert to fraction form
    698,229.40/1,047,344.10 = 414,794.20/x
  3. Step 3: Cross multiply
    698,229.40x = 1,047,344.10 × 414,794.20
  4. Step 4: Simplify right side
    698,229.40x = 434,432,258,084.22
  5. Step 5: Solve for x
    x = 434,432,258,084.22/698,229.40
  6. Step 6: Final answer
    x = 622,191.30

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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.