Home / 1,638,915.20-2,458,285.14-501,677.95

Finding the Fourth Proportional to 1,638,915.20, 2,458,285.14 and 501,677.95

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Solution

The fourth proportional to 1,638,915.20, 2,458,285.14 and 501,677.95 is: 752,490.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,915.20 : 2,458,285.14 = 501,677.95 : x
  2. Step 2: Convert to fraction form
    1,638,915.20/2,458,285.14 = 501,677.95/x
  3. Step 3: Cross multiply
    1,638,915.20x = 2,458,285.14 × 501,677.95
  4. Step 4: Simplify right side
    1,638,915.20x = 1,233,267,449,550.66
  5. Step 5: Solve for x
    x = 1,233,267,449,550.66/1,638,915.20
  6. Step 6: Final answer
    x = 752,490.09

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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.