Home / 1,086,425.38-1,499,337.09-602,990.56

Finding the Fourth Proportional to 1,086,425.38, 1,499,337.09 and 602,990.56

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Solution

The fourth proportional to 1,086,425.38, 1,499,337.09 and 602,990.56 is: 832,165.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,425.38 : 1,499,337.09 = 602,990.56 : x
  2. Step 2: Convert to fraction form
    1,086,425.38/1,499,337.09 = 602,990.56/x
  3. Step 3: Cross multiply
    1,086,425.38x = 1,499,337.09 × 602,990.56
  4. Step 4: Simplify right side
    1,086,425.38x = 904,086,111,527.87
  5. Step 5: Solve for x
    x = 904,086,111,527.87/1,086,425.38
  6. Step 6: Final answer
    x = 832,165.86

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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.