Home / 531,630.27-733,667.36-289,932.75

Finding the Fourth Proportional to 531,630.27, 733,667.36 and 289,932.75

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Solution

The fourth proportional to 531,630.27, 733,667.36 and 289,932.75 is: 400,116.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,630.27 : 733,667.36 = 289,932.75 : x
  2. Step 2: Convert to fraction form
    531,630.27/733,667.36 = 289,932.75/x
  3. Step 3: Cross multiply
    531,630.27x = 733,667.36 × 289,932.75
  4. Step 4: Simplify right side
    531,630.27x = 212,714,193,820.38
  5. Step 5: Solve for x
    x = 212,714,193,820.38/531,630.27
  6. Step 6: Final answer
    x = 400,116.78

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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.