Home / 865,887.65-1,194,961.86-483,914.42

Finding the Fourth Proportional to 865,887.65, 1,194,961.86 and 483,914.42

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Solution

The fourth proportional to 865,887.65, 1,194,961.86 and 483,914.42 is: 667,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,887.65 : 1,194,961.86 = 483,914.42 : x
  2. Step 2: Convert to fraction form
    865,887.65/1,194,961.86 = 483,914.42/x
  3. Step 3: Cross multiply
    865,887.65x = 1,194,961.86 × 483,914.42
  4. Step 4: Simplify right side
    865,887.65x = 578,259,275,404.02
  5. Step 5: Solve for x
    x = 578,259,275,404.02/865,887.65
  6. Step 6: Final answer
    x = 667,822.52

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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.