Home / 824,651.56-1,234,877.10-543,315.88

Finding the Fourth Proportional to 824,651.56, 1,234,877.10 and 543,315.88

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Solution

The fourth proportional to 824,651.56, 1,234,877.10 and 543,315.88 is: 813,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,651.56 : 1,234,877.10 = 543,315.88 : x
  2. Step 2: Convert to fraction form
    824,651.56/1,234,877.10 = 543,315.88/x
  3. Step 3: Cross multiply
    824,651.56x = 1,234,877.10 × 543,315.88
  4. Step 4: Simplify right side
    824,651.56x = 670,928,338,278.35
  5. Step 5: Solve for x
    x = 670,928,338,278.35/824,651.56
  6. Step 6: Final answer
    x = 813,590.09

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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.