Home / 2,953,531.38-4,431,044.30-823,615.72

Finding the Fourth Proportional to 2,953,531.38, 4,431,044.30 and 823,615.72

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Solution

The fourth proportional to 2,953,531.38, 4,431,044.30 and 823,615.72 is: 1,235,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,531.38 : 4,431,044.30 = 823,615.72 : x
  2. Step 2: Convert to fraction form
    2,953,531.38/4,431,044.30 = 823,615.72/x
  3. Step 3: Cross multiply
    2,953,531.38x = 4,431,044.30 × 823,615.72
  4. Step 4: Simplify right side
    2,953,531.38x = 3,649,477,741,496.40
  5. Step 5: Solve for x
    x = 3,649,477,741,496.40/2,953,531.38
  6. Step 6: Final answer
    x = 1,235,631.95

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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.