Home / 865,911.56-1,194,959.68-483,938.33

Finding the Fourth Proportional to 865,911.56, 1,194,959.68 and 483,938.33

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Solution

The fourth proportional to 865,911.56, 1,194,959.68 and 483,938.33 is: 667,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,911.56 : 1,194,959.68 = 483,938.33 : x
  2. Step 2: Convert to fraction form
    865,911.56/1,194,959.68 = 483,938.33/x
  3. Step 3: Cross multiply
    865,911.56x = 1,194,959.68 × 483,938.33
  4. Step 4: Simplify right side
    865,911.56x = 578,286,784,771.89
  5. Step 5: Solve for x
    x = 578,286,784,771.89/865,911.56
  6. Step 6: Final answer
    x = 667,835.86

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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.