Home / 1,288,306.85-1,778,082.23-744,757.77

Finding the Fourth Proportional to 1,288,306.85, 1,778,082.23 and 744,757.77

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Solution

The fourth proportional to 1,288,306.85, 1,778,082.23 and 744,757.77 is: 1,027,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,306.85 : 1,778,082.23 = 744,757.77 : x
  2. Step 2: Convert to fraction form
    1,288,306.85/1,778,082.23 = 744,757.77/x
  3. Step 3: Cross multiply
    1,288,306.85x = 1,778,082.23 × 744,757.77
  4. Step 4: Simplify right side
    1,288,306.85x = 1,324,240,547,601.02
  5. Step 5: Solve for x
    x = 1,324,240,547,601.02/1,288,306.85
  6. Step 6: Final answer
    x = 1,027,892.19

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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.