Home / 714,610.26-1,071,915.40-215,974.26

Finding the Fourth Proportional to 714,610.26, 1,071,915.40 and 215,974.26

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Solution

The fourth proportional to 714,610.26, 1,071,915.40 and 215,974.26 is: 323,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,610.26 : 1,071,915.40 = 215,974.26 : x
  2. Step 2: Convert to fraction form
    714,610.26/1,071,915.40 = 215,974.26/x
  3. Step 3: Cross multiply
    714,610.26x = 1,071,915.40 × 215,974.26
  4. Step 4: Simplify right side
    714,610.26x = 231,506,135,297.60
  5. Step 5: Solve for x
    x = 231,506,135,297.60/714,610.26
  6. Step 6: Final answer
    x = 323,961.39

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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.