Home / 1,418,372.32-1,957,344.51-806,525.13

Finding the Fourth Proportional to 1,418,372.32, 1,957,344.51 and 806,525.13

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Solution

The fourth proportional to 1,418,372.32, 1,957,344.51 and 806,525.13 is: 1,112,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,372.32 : 1,957,344.51 = 806,525.13 : x
  2. Step 2: Convert to fraction form
    1,418,372.32/1,957,344.51 = 806,525.13/x
  3. Step 3: Cross multiply
    1,418,372.32x = 1,957,344.51 × 806,525.13
  4. Step 4: Simplify right side
    1,418,372.32x = 1,578,647,535,382.54
  5. Step 5: Solve for x
    x = 1,578,647,535,382.54/1,418,372.32
  6. Step 6: Final answer
    x = 1,112,999.40

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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.