Home / 1,515,773.80-2,091,768.24-836,710.30

Finding the Fourth Proportional to 1,515,773.80, 2,091,768.24 and 836,710.30

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Solution

The fourth proportional to 1,515,773.80, 2,091,768.24 and 836,710.30 is: 1,154,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,773.80 : 2,091,768.24 = 836,710.30 : x
  2. Step 2: Convert to fraction form
    1,515,773.80/2,091,768.24 = 836,710.30/x
  3. Step 3: Cross multiply
    1,515,773.80x = 2,091,768.24 × 836,710.30
  4. Step 4: Simplify right side
    1,515,773.80x = 1,750,204,031,620.87
  5. Step 5: Solve for x
    x = 1,750,204,031,620.87/1,515,773.80
  6. Step 6: Final answer
    x = 1,154,660.43

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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.