Home / 1,418,412.18-1,957,399.52-806,565.05

Finding the Fourth Proportional to 1,418,412.18, 1,957,399.52 and 806,565.05

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Solution

The fourth proportional to 1,418,412.18, 1,957,399.52 and 806,565.05 is: 1,113,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,412.18 : 1,957,399.52 = 806,565.05 : x
  2. Step 2: Convert to fraction form
    1,418,412.18/1,957,399.52 = 806,565.05/x
  3. Step 3: Cross multiply
    1,418,412.18x = 1,957,399.52 × 806,565.05
  4. Step 4: Simplify right side
    1,418,412.18x = 1,578,770,027,898.95
  5. Step 5: Solve for x
    x = 1,578,770,027,898.95/1,418,412.18
  6. Step 6: Final answer
    x = 1,113,054.48

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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.