Home / 1,719,138.62-2,579,223.10-693,941.06

Finding the Fourth Proportional to 1,719,138.62, 2,579,223.10 and 693,941.06

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Solution

The fourth proportional to 1,719,138.62, 2,579,223.10 and 693,941.06 is: 1,041,119.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,138.62 : 2,579,223.10 = 693,941.06 : x
  2. Step 2: Convert to fraction form
    1,719,138.62/2,579,223.10 = 693,941.06/x
  3. Step 3: Cross multiply
    1,719,138.62x = 2,579,223.10 × 693,941.06
  4. Step 4: Simplify right side
    1,719,138.62x = 1,789,828,811,990.49
  5. Step 5: Solve for x
    x = 1,789,828,811,990.49/1,719,138.62
  6. Step 6: Final answer
    x = 1,041,119.54

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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.