Home / 791,981.12-1,092,927.35-447,884.61

Finding the Fourth Proportional to 791,981.12, 1,092,927.35 and 447,884.61

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Solution

The fourth proportional to 791,981.12, 1,092,927.35 and 447,884.61 is: 618,077.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,981.12 : 1,092,927.35 = 447,884.61 : x
  2. Step 2: Convert to fraction form
    791,981.12/1,092,927.35 = 447,884.61/x
  3. Step 3: Cross multiply
    791,981.12x = 1,092,927.35 × 447,884.61
  4. Step 4: Simplify right side
    791,981.12x = 489,505,334,448.45
  5. Step 5: Solve for x
    x = 489,505,334,448.45/791,981.12
  6. Step 6: Final answer
    x = 618,077.02

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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.