Home / 1,217,354.88-1,825,675.56-458,649

Finding the Fourth Proportional to 1,217,354.88, 1,825,675.56 and 458,649

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Solution

The fourth proportional to 1,217,354.88, 1,825,675.56 and 458,649 is: 687,839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,354.88 : 1,825,675.56 = 458,649 : x
  2. Step 2: Convert to fraction form
    1,217,354.88/1,825,675.56 = 458,649/x
  3. Step 3: Cross multiply
    1,217,354.88x = 1,825,675.56 × 458,649
  4. Step 4: Simplify right side
    1,217,354.88x = 837,344,269,918.44
  5. Step 5: Solve for x
    x = 837,344,269,918.44/1,217,354.88
  6. Step 6: Final answer
    x = 687,839.09

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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.