Home / 1,175,285.12-1,621,753.44-691,743.04

Finding the Fourth Proportional to 1,175,285.12, 1,621,753.44 and 691,743.04

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Solution

The fourth proportional to 1,175,285.12, 1,621,753.44 and 691,743.04 is: 954,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,285.12 : 1,621,753.44 = 691,743.04 : x
  2. Step 2: Convert to fraction form
    1,175,285.12/1,621,753.44 = 691,743.04/x
  3. Step 3: Cross multiply
    1,175,285.12x = 1,621,753.44 × 691,743.04
  4. Step 4: Simplify right side
    1,175,285.12x = 1,121,836,654,716.06
  5. Step 5: Solve for x
    x = 1,121,836,654,716.06/1,175,285.12
  6. Step 6: Final answer
    x = 954,522.98

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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.