Home / 1,418,362.23-1,957,260.15-806,663.79

Finding the Fourth Proportional to 1,418,362.23, 1,957,260.15 and 806,663.79

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Solution

The fourth proportional to 1,418,362.23, 1,957,260.15 and 806,663.79 is: 1,113,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,362.23 : 1,957,260.15 = 806,663.79 : x
  2. Step 2: Convert to fraction form
    1,418,362.23/1,957,260.15 = 806,663.79/x
  3. Step 3: Cross multiply
    1,418,362.23x = 1,957,260.15 × 806,663.79
  4. Step 4: Simplify right side
    1,418,362.23x = 1,578,850,890,614.97
  5. Step 5: Solve for x
    x = 1,578,850,890,614.97/1,418,362.23
  6. Step 6: Final answer
    x = 1,113,150.69

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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.