Home / 1,005,863.95-1,387,987.27-576,162.19

Finding the Fourth Proportional to 1,005,863.95, 1,387,987.27 and 576,162.19

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Solution

The fourth proportional to 1,005,863.95, 1,387,987.27 and 576,162.19 is: 795,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,863.95 : 1,387,987.27 = 576,162.19 : x
  2. Step 2: Convert to fraction form
    1,005,863.95/1,387,987.27 = 576,162.19/x
  3. Step 3: Cross multiply
    1,005,863.95x = 1,387,987.27 × 576,162.19
  4. Step 4: Simplify right side
    1,005,863.95x = 799,705,785,175.32
  5. Step 5: Solve for x
    x = 799,705,785,175.32/1,005,863.95
  6. Step 6: Final answer
    x = 795,043.69

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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.