Home / 1,190,937.12-1,643,524.56-681,803.52

Finding the Fourth Proportional to 1,190,937.12, 1,643,524.56 and 681,803.52

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Solution

The fourth proportional to 1,190,937.12, 1,643,524.56 and 681,803.52 is: 940,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,937.12 : 1,643,524.56 = 681,803.52 : x
  2. Step 2: Convert to fraction form
    1,190,937.12/1,643,524.56 = 681,803.52/x
  3. Step 3: Cross multiply
    1,190,937.12x = 1,643,524.56 × 681,803.52
  4. Step 4: Simplify right side
    1,190,937.12x = 1,120,560,830,214.45
  5. Step 5: Solve for x
    x = 1,120,560,830,214.45/1,190,937.12
  6. Step 6: Final answer
    x = 940,906.80

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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.