Home / 1,222,833.70-1,834,687.95-513,079.30

Finding the Fourth Proportional to 1,222,833.70, 1,834,687.95 and 513,079.30

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Solution

The fourth proportional to 1,222,833.70, 1,834,687.95 and 513,079.30 is: 769,802.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,833.70 : 1,834,687.95 = 513,079.30 : x
  2. Step 2: Convert to fraction form
    1,222,833.70/1,834,687.95 = 513,079.30/x
  3. Step 3: Cross multiply
    1,222,833.70x = 1,834,687.95 × 513,079.30
  4. Step 4: Simplify right side
    1,222,833.70x = 941,340,409,104.44
  5. Step 5: Solve for x
    x = 941,340,409,104.44/1,222,833.70
  6. Step 6: Final answer
    x = 769,802.48

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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.