Home / 1,719,109.94-2,579,180.57-693,912.70

Finding the Fourth Proportional to 1,719,109.94, 2,579,180.57 and 693,912.70

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Solution

The fourth proportional to 1,719,109.94, 2,579,180.57 and 693,912.70 is: 1,041,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,109.94 : 2,579,180.57 = 693,912.70 : x
  2. Step 2: Convert to fraction form
    1,719,109.94/2,579,180.57 = 693,912.70/x
  3. Step 3: Cross multiply
    1,719,109.94x = 2,579,180.57 × 693,912.70
  4. Step 4: Simplify right side
    1,719,109.94x = 1,789,726,136,750.77
  5. Step 5: Solve for x
    x = 1,789,726,136,750.77/1,719,109.94
  6. Step 6: Final answer
    x = 1,041,077.18

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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.