Home / 773,121.81-1,159,404.79-267,545.51

Finding the Fourth Proportional to 773,121.81, 1,159,404.79 and 267,545.51

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Solution

The fourth proportional to 773,121.81, 1,159,404.79 and 267,545.51 is: 401,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,121.81 : 1,159,404.79 = 267,545.51 : x
  2. Step 2: Convert to fraction form
    773,121.81/1,159,404.79 = 267,545.51/x
  3. Step 3: Cross multiply
    773,121.81x = 1,159,404.79 × 267,545.51
  4. Step 4: Simplify right side
    773,121.81x = 310,193,540,959.70
  5. Step 5: Solve for x
    x = 310,193,540,959.70/773,121.81
  6. Step 6: Final answer
    x = 401,222.08

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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.