Home / 891,845.39-1,230,231.92-569,191.81

Finding the Fourth Proportional to 891,845.39, 1,230,231.92 and 569,191.81

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Solution

The fourth proportional to 891,845.39, 1,230,231.92 and 569,191.81 is: 785,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,845.39 : 1,230,231.92 = 569,191.81 : x
  2. Step 2: Convert to fraction form
    891,845.39/1,230,231.92 = 569,191.81/x
  3. Step 3: Cross multiply
    891,845.39x = 1,230,231.92 × 569,191.81
  4. Step 4: Simplify right side
    891,845.39x = 700,237,934,452.28
  5. Step 5: Solve for x
    x = 700,237,934,452.28/891,845.39
  6. Step 6: Final answer
    x = 785,156.20

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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.