Home / 579,837.33-800,160.08-318,191.85

Finding the Fourth Proportional to 579,837.33, 800,160.08 and 318,191.85

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Solution

The fourth proportional to 579,837.33, 800,160.08 and 318,191.85 is: 439,096.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,837.33 : 800,160.08 = 318,191.85 : x
  2. Step 2: Convert to fraction form
    579,837.33/800,160.08 = 318,191.85/x
  3. Step 3: Cross multiply
    579,837.33x = 800,160.08 × 318,191.85
  4. Step 4: Simplify right side
    579,837.33x = 254,604,414,560.39
  5. Step 5: Solve for x
    x = 254,604,414,560.39/579,837.33
  6. Step 6: Final answer
    x = 439,096.28

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1.5x scale

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.