Home / 720,062.38-1,080,089.67-293,596.56

Finding the Fourth Proportional to 720,062.38, 1,080,089.67 and 293,596.56

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Solution

The fourth proportional to 720,062.38, 1,080,089.67 and 293,596.56 is: 440,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,062.38 : 1,080,089.67 = 293,596.56 : x
  2. Step 2: Convert to fraction form
    720,062.38/1,080,089.67 = 293,596.56/x
  3. Step 3: Cross multiply
    720,062.38x = 1,080,089.67 × 293,596.56
  4. Step 4: Simplify right side
    720,062.38x = 317,110,612,704.52
  5. Step 5: Solve for x
    x = 317,110,612,704.52/720,062.38
  6. Step 6: Final answer
    x = 440,393.25

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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.