Home / 693,577.40-1,040,366.10-361,110.20

Finding the Fourth Proportional to 693,577.40, 1,040,366.10 and 361,110.20

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Solution

The fourth proportional to 693,577.40, 1,040,366.10 and 361,110.20 is: 541,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,577.40 : 1,040,366.10 = 361,110.20 : x
  2. Step 2: Convert to fraction form
    693,577.40/1,040,366.10 = 361,110.20/x
  3. Step 3: Cross multiply
    693,577.40x = 1,040,366.10 × 361,110.20
  4. Step 4: Simplify right side
    693,577.40x = 375,686,810,444.22
  5. Step 5: Solve for x
    x = 375,686,810,444.22/693,577.40
  6. Step 6: Final answer
    x = 541,665.30

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Similar ratio
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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.