Home / 702,919.35-1,054,379.03-514,912.95

Finding the Fourth Proportional to 702,919.35, 1,054,379.03 and 514,912.95

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Solution

The fourth proportional to 702,919.35, 1,054,379.03 and 514,912.95 is: 772,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,919.35 : 1,054,379.03 = 514,912.95 : x
  2. Step 2: Convert to fraction form
    702,919.35/1,054,379.03 = 514,912.95/x
  3. Step 3: Cross multiply
    702,919.35x = 1,054,379.03 × 514,912.95
  4. Step 4: Simplify right side
    702,919.35x = 542,913,414,180.87
  5. Step 5: Solve for x
    x = 542,913,414,180.87/702,919.35
  6. Step 6: Final answer
    x = 772,369.43

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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.