Home / 693,735.40-1,040,603.10-361,268.20

Finding the Fourth Proportional to 693,735.40, 1,040,603.10 and 361,268.20

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Solution

The fourth proportional to 693,735.40, 1,040,603.10 and 361,268.20 is: 541,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,735.40 : 1,040,603.10 = 361,268.20 : x
  2. Step 2: Convert to fraction form
    693,735.40/1,040,603.10 = 361,268.20/x
  3. Step 3: Cross multiply
    693,735.40x = 1,040,603.10 × 361,268.20
  4. Step 4: Simplify right side
    693,735.40x = 375,936,808,851.42
  5. Step 5: Solve for x
    x = 375,936,808,851.42/693,735.40
  6. Step 6: Final answer
    x = 541,902.30

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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.