Home / 1,222,654.80-1,687,230.80-732,901.02

Finding the Fourth Proportional to 1,222,654.80, 1,687,230.80 and 732,901.02

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Solution

The fourth proportional to 1,222,654.80, 1,687,230.80 and 732,901.02 is: 1,011,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,654.80 : 1,687,230.80 = 732,901.02 : x
  2. Step 2: Convert to fraction form
    1,222,654.80/1,687,230.80 = 732,901.02/x
  3. Step 3: Cross multiply
    1,222,654.80x = 1,687,230.80 × 732,901.02
  4. Step 4: Simplify right side
    1,222,654.80x = 1,236,573,170,630.91
  5. Step 5: Solve for x
    x = 1,236,573,170,630.91/1,222,654.80
  6. Step 6: Final answer
    x = 1,011,383.73

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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.