Home / 791,895.76-1,187,820.38-192,848.21

Finding the Fourth Proportional to 791,895.76, 1,187,820.38 and 192,848.21

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Solution

The fourth proportional to 791,895.76, 1,187,820.38 and 192,848.21 is: 289,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,895.76 : 1,187,820.38 = 192,848.21 : x
  2. Step 2: Convert to fraction form
    791,895.76/1,187,820.38 = 192,848.21/x
  3. Step 3: Cross multiply
    791,895.76x = 1,187,820.38 × 192,848.21
  4. Step 4: Simplify right side
    791,895.76x = 229,069,033,081.87
  5. Step 5: Solve for x
    x = 229,069,033,081.87/791,895.76
  6. Step 6: Final answer
    x = 289,266.65

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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.