Home / 693,467.40-1,040,201.10-413,531.40

Finding the Fourth Proportional to 693,467.40, 1,040,201.10 and 413,531.40

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Solution

The fourth proportional to 693,467.40, 1,040,201.10 and 413,531.40 is: 620,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,467.40 : 1,040,201.10 = 413,531.40 : x
  2. Step 2: Convert to fraction form
    693,467.40/1,040,201.10 = 413,531.40/x
  3. Step 3: Cross multiply
    693,467.40x = 1,040,201.10 × 413,531.40
  4. Step 4: Simplify right side
    693,467.40x = 430,155,817,164.54
  5. Step 5: Solve for x
    x = 430,155,817,164.54/693,467.40
  6. Step 6: Final answer
    x = 620,297.10

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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.