Home / 512,721.54-769,084.20-157,733.10

Finding the Fourth Proportional to 512,721.54, 769,084.20 and 157,733.10

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Solution

The fourth proportional to 512,721.54, 769,084.20 and 157,733.10 is: 236,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,721.54 : 769,084.20 = 157,733.10 : x
  2. Step 2: Convert to fraction form
    512,721.54/769,084.20 = 157,733.10/x
  3. Step 3: Cross multiply
    512,721.54x = 769,084.20 × 157,733.10
  4. Step 4: Simplify right side
    512,721.54x = 121,310,035,027.02
  5. Step 5: Solve for x
    x = 121,310,035,027.02/512,721.54
  6. Step 6: Final answer
    x = 236,600.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.