Home / 852,172.44-1,278,257.16-496,937.36

Finding the Fourth Proportional to 852,172.44, 1,278,257.16 and 496,937.36

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Solution

The fourth proportional to 852,172.44, 1,278,257.16 and 496,937.36 is: 745,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,172.44 : 1,278,257.16 = 496,937.36 : x
  2. Step 2: Convert to fraction form
    852,172.44/1,278,257.16 = 496,937.36/x
  3. Step 3: Cross multiply
    852,172.44x = 1,278,257.16 × 496,937.36
  4. Step 4: Simplify right side
    852,172.44x = 635,213,738,491.50
  5. Step 5: Solve for x
    x = 635,213,738,491.50/852,172.44
  6. Step 6: Final answer
    x = 745,405.17

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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.