Home / 836,161.60-1,154,381.79-550,512.10

Finding the Fourth Proportional to 836,161.60, 1,154,381.79 and 550,512.10

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Solution

The fourth proportional to 836,161.60, 1,154,381.79 and 550,512.10 is: 760,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,161.60 : 1,154,381.79 = 550,512.10 : x
  2. Step 2: Convert to fraction form
    836,161.60/1,154,381.79 = 550,512.10/x
  3. Step 3: Cross multiply
    836,161.60x = 1,154,381.79 × 550,512.10
  4. Step 4: Simplify right side
    836,161.60x = 635,501,143,414.66
  5. Step 5: Solve for x
    x = 635,501,143,414.66/836,161.60
  6. Step 6: Final answer
    x = 760,021.92

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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.