Home / 1,092,741.66-1,638,177.54-419,306.22

Finding the Fourth Proportional to 1,092,741.66, 1,638,177.54 and 419,306.22

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Solution

The fourth proportional to 1,092,741.66, 1,638,177.54 and 419,306.22 is: 628,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,741.66 : 1,638,177.54 = 419,306.22 : x
  2. Step 2: Convert to fraction form
    1,092,741.66/1,638,177.54 = 419,306.22/x
  3. Step 3: Cross multiply
    1,092,741.66x = 1,638,177.54 × 419,306.22
  4. Step 4: Simplify right side
    1,092,741.66x = 686,898,031,986.30
  5. Step 5: Solve for x
    x = 686,898,031,986.30/1,092,741.66
  6. Step 6: Final answer
    x = 628,600.57

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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.