Home / 729,938.80-1,094,908.20-231,302.80

Finding the Fourth Proportional to 729,938.80, 1,094,908.20 and 231,302.80

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Solution

The fourth proportional to 729,938.80, 1,094,908.20 and 231,302.80 is: 346,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,938.80 : 1,094,908.20 = 231,302.80 : x
  2. Step 2: Convert to fraction form
    729,938.80/1,094,908.20 = 231,302.80/x
  3. Step 3: Cross multiply
    729,938.80x = 1,094,908.20 × 231,302.80
  4. Step 4: Simplify right side
    729,938.80x = 253,255,332,402.96
  5. Step 5: Solve for x
    x = 253,255,332,402.96/729,938.80
  6. Step 6: Final answer
    x = 346,954.20

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Double scale
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Similar ratio
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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.