Home / 715,392.95-1,073,122.22-505,965.83

Finding the Fourth Proportional to 715,392.95, 1,073,122.22 and 505,965.83

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Solution

The fourth proportional to 715,392.95, 1,073,122.22 and 505,965.83 is: 758,971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,392.95 : 1,073,122.22 = 505,965.83 : x
  2. Step 2: Convert to fraction form
    715,392.95/1,073,122.22 = 505,965.83/x
  3. Step 3: Cross multiply
    715,392.95x = 1,073,122.22 × 505,965.83
  4. Step 4: Simplify right side
    715,392.95x = 542,963,170,633.05
  5. Step 5: Solve for x
    x = 542,963,170,633.05/715,392.95
  6. Step 6: Final answer
    x = 758,971.94

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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.