Home / 486,032.67-729,049.01-153,582.75

Finding the Fourth Proportional to 486,032.67, 729,049.01 and 153,582.75

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Solution

The fourth proportional to 486,032.67, 729,049.01 and 153,582.75 is: 230,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,032.67 : 729,049.01 = 153,582.75 : x
  2. Step 2: Convert to fraction form
    486,032.67/729,049.01 = 153,582.75/x
  3. Step 3: Cross multiply
    486,032.67x = 729,049.01 × 153,582.75
  4. Step 4: Simplify right side
    486,032.67x = 111,969,351,072.66
  5. Step 5: Solve for x
    x = 111,969,351,072.66/486,032.67
  6. Step 6: Final answer
    x = 230,374.13

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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.