Home / 916,801.80-1,375,202.70-834,133.20

Finding the Fourth Proportional to 916,801.80, 1,375,202.70 and 834,133.20

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Solution

The fourth proportional to 916,801.80, 1,375,202.70 and 834,133.20 is: 1,251,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,801.80 : 1,375,202.70 = 834,133.20 : x
  2. Step 2: Convert to fraction form
    916,801.80/1,375,202.70 = 834,133.20/x
  3. Step 3: Cross multiply
    916,801.80x = 1,375,202.70 × 834,133.20
  4. Step 4: Simplify right side
    916,801.80x = 1,147,102,228,799.64
  5. Step 5: Solve for x
    x = 1,147,102,228,799.64/916,801.80
  6. Step 6: Final answer
    x = 1,251,199.80

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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.