Home / 1,418,679.96-1,957,821.48-806,920.70

Finding the Fourth Proportional to 1,418,679.96, 1,957,821.48 and 806,920.70

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Solution

The fourth proportional to 1,418,679.96, 1,957,821.48 and 806,920.70 is: 1,113,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,679.96 : 1,957,821.48 = 806,920.70 : x
  2. Step 2: Convert to fraction form
    1,418,679.96/1,957,821.48 = 806,920.70/x
  3. Step 3: Cross multiply
    1,418,679.96x = 1,957,821.48 × 806,920.70
  4. Step 4: Simplify right side
    1,418,679.96x = 1,579,806,683,902.66
  5. Step 5: Solve for x
    x = 1,579,806,683,902.66/1,418,679.96
  6. Step 6: Final answer
    x = 1,113,575.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.