Home / 1,086,945.90-1,627,308.45-667,041.90

Finding the Fourth Proportional to 1,086,945.90, 1,627,308.45 and 667,041.90

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Solution

The fourth proportional to 1,086,945.90, 1,627,308.45 and 667,041.90 is: 998,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,945.90 : 1,627,308.45 = 667,041.90 : x
  2. Step 2: Convert to fraction form
    1,086,945.90/1,627,308.45 = 667,041.90/x
  3. Step 3: Cross multiply
    1,086,945.90x = 1,627,308.45 × 667,041.90
  4. Step 4: Simplify right side
    1,086,945.90x = 1,085,482,920,374.06
  5. Step 5: Solve for x
    x = 1,085,482,920,374.06/1,086,945.90
  6. Step 6: Final answer
    x = 998,654.05

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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.