Home / 531,965.78-733,255.19-359,820.96

Finding the Fourth Proportional to 531,965.78, 733,255.19 and 359,820.96

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Solution

The fourth proportional to 531,965.78, 733,255.19 and 359,820.96 is: 495,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,965.78 : 733,255.19 = 359,820.96 : x
  2. Step 2: Convert to fraction form
    531,965.78/733,255.19 = 359,820.96/x
  3. Step 3: Cross multiply
    531,965.78x = 733,255.19 × 359,820.96
  4. Step 4: Simplify right side
    531,965.78x = 263,840,586,390.78
  5. Step 5: Solve for x
    x = 263,840,586,390.78/531,965.78
  6. Step 6: Final answer
    x = 495,972.85

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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.