Home / 776,669.76-1,165,423.16-327,701.80

Finding the Fourth Proportional to 776,669.76, 1,165,423.16 and 327,701.80

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Solution

The fourth proportional to 776,669.76, 1,165,423.16 and 327,701.80 is: 491,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,669.76 : 1,165,423.16 = 327,701.80 : x
  2. Step 2: Convert to fraction form
    776,669.76/1,165,423.16 = 327,701.80/x
  3. Step 3: Cross multiply
    776,669.76x = 1,165,423.16 × 327,701.80
  4. Step 4: Simplify right side
    776,669.76x = 381,911,267,293.69
  5. Step 5: Solve for x
    x = 381,911,267,293.69/776,669.76
  6. Step 6: Final answer
    x = 491,729.29

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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.