Home / 768,947.86-1,152,764.97-543,599.38

Finding the Fourth Proportional to 768,947.86, 1,152,764.97 and 543,599.38

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Solution

The fourth proportional to 768,947.86, 1,152,764.97 and 543,599.38 is: 814,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,947.86 : 1,152,764.97 = 543,599.38 : x
  2. Step 2: Convert to fraction form
    768,947.86/1,152,764.97 = 543,599.38/x
  3. Step 3: Cross multiply
    768,947.86x = 1,152,764.97 × 543,599.38
  4. Step 4: Simplify right side
    768,947.86x = 626,642,322,977.72
  5. Step 5: Solve for x
    x = 626,642,322,977.72/768,947.86
  6. Step 6: Final answer
    x = 814,934.74

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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.