Home / 1,098,192.80-1,648,844.40-861,802.40

Finding the Fourth Proportional to 1,098,192.80, 1,648,844.40 and 861,802.40

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Solution

The fourth proportional to 1,098,192.80, 1,648,844.40 and 861,802.40 is: 1,293,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,192.80 : 1,648,844.40 = 861,802.40 : x
  2. Step 2: Convert to fraction form
    1,098,192.80/1,648,844.40 = 861,802.40/x
  3. Step 3: Cross multiply
    1,098,192.80x = 1,648,844.40 × 861,802.40
  4. Step 4: Simplify right side
    1,098,192.80x = 1,420,978,061,146.56
  5. Step 5: Solve for x
    x = 1,420,978,061,146.56/1,098,192.80
  6. Step 6: Final answer
    x = 1,293,924.04

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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.