Home / 667,984.26-1,003,364.40-540,045.14

Finding the Fourth Proportional to 667,984.26, 1,003,364.40 and 540,045.14

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Solution

The fourth proportional to 667,984.26, 1,003,364.40 and 540,045.14 is: 811,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,984.26 : 1,003,364.40 = 540,045.14 : x
  2. Step 2: Convert to fraction form
    667,984.26/1,003,364.40 = 540,045.14/x
  3. Step 3: Cross multiply
    667,984.26x = 1,003,364.40 × 540,045.14
  4. Step 4: Simplify right side
    667,984.26x = 541,862,067,869.02
  5. Step 5: Solve for x
    x = 541,862,067,869.02/667,984.26
  6. Step 6: Final answer
    x = 811,189.87

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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.