Home / 1,761,282.30-2,640,173.85-812,999.10

Finding the Fourth Proportional to 1,761,282.30, 2,640,173.85 and 812,999.10

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Solution

The fourth proportional to 1,761,282.30, 2,640,173.85 and 812,999.10 is: 1,218,691.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,282.30 : 2,640,173.85 = 812,999.10 : x
  2. Step 2: Convert to fraction form
    1,761,282.30/2,640,173.85 = 812,999.10/x
  3. Step 3: Cross multiply
    1,761,282.30x = 2,640,173.85 × 812,999.10
  4. Step 4: Simplify right side
    1,761,282.30x = 2,146,458,963,893.54
  5. Step 5: Solve for x
    x = 2,146,458,963,893.54/1,761,282.30
  6. Step 6: Final answer
    x = 1,218,691.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.