Home / 823,919.60-1,233,546.60-739,938.80

Finding the Fourth Proportional to 823,919.60, 1,233,546.60 and 739,938.80

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Solution

The fourth proportional to 823,919.60, 1,233,546.60 and 739,938.80 is: 1,107,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,919.60 : 1,233,546.60 = 739,938.80 : x
  2. Step 2: Convert to fraction form
    823,919.60/1,233,546.60 = 739,938.80/x
  3. Step 3: Cross multiply
    823,919.60x = 1,233,546.60 × 739,938.80
  4. Step 4: Simplify right side
    823,919.60x = 912,748,990,948.08
  5. Step 5: Solve for x
    x = 912,748,990,948.08/823,919.60
  6. Step 6: Final answer
    x = 1,107,813.18

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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.