Home / 1,236,335.04-1,705,540.32-806,420.16

Finding the Fourth Proportional to 1,236,335.04, 1,705,540.32 and 806,420.16

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Solution

The fourth proportional to 1,236,335.04, 1,705,540.32 and 806,420.16 is: 1,112,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,335.04 : 1,705,540.32 = 806,420.16 : x
  2. Step 2: Convert to fraction form
    1,236,335.04/1,705,540.32 = 806,420.16/x
  3. Step 3: Cross multiply
    1,236,335.04x = 1,705,540.32 × 806,420.16
  4. Step 4: Simplify right side
    1,236,335.04x = 1,375,382,097,740.85
  5. Step 5: Solve for x
    x = 1,375,382,097,740.85/1,236,335.04
  6. Step 6: Final answer
    x = 1,112,467.13

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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.