Home / 824,651.06-1,234,876.35-543,315.38

Finding the Fourth Proportional to 824,651.06, 1,234,876.35 and 543,315.38

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Solution

The fourth proportional to 824,651.06, 1,234,876.35 and 543,315.38 is: 813,589.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,651.06 : 1,234,876.35 = 543,315.38 : x
  2. Step 2: Convert to fraction form
    824,651.06/1,234,876.35 = 543,315.38/x
  3. Step 3: Cross multiply
    824,651.06x = 1,234,876.35 × 543,315.38
  4. Step 4: Simplify right side
    824,651.06x = 670,927,313,353.26
  5. Step 5: Solve for x
    x = 670,927,313,353.26/824,651.06
  6. Step 6: Final answer
    x = 813,589.34

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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.