Home / 791,344.74-1,092,109.32-447,061.26

Finding the Fourth Proportional to 791,344.74, 1,092,109.32 and 447,061.26

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Solution

The fourth proportional to 791,344.74, 1,092,109.32 and 447,061.26 is: 616,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,344.74 : 1,092,109.32 = 447,061.26 : x
  2. Step 2: Convert to fraction form
    791,344.74/1,092,109.32 = 447,061.26/x
  3. Step 3: Cross multiply
    791,344.74x = 1,092,109.32 × 447,061.26
  4. Step 4: Simplify right side
    791,344.74x = 488,239,768,656.94
  5. Step 5: Solve for x
    x = 488,239,768,656.94/791,344.74
  6. Step 6: Final answer
    x = 616,974.81

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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.