Home / 1,838,300.22-2,757,524.49-640,343.70

Finding the Fourth Proportional to 1,838,300.22, 2,757,524.49 and 640,343.70

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Solution

The fourth proportional to 1,838,300.22, 2,757,524.49 and 640,343.70 is: 960,541.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,300.22 : 2,757,524.49 = 640,343.70 : x
  2. Step 2: Convert to fraction form
    1,838,300.22/2,757,524.49 = 640,343.70/x
  3. Step 3: Cross multiply
    1,838,300.22x = 2,757,524.49 × 640,343.70
  4. Step 4: Simplify right side
    1,838,300.22x = 1,765,763,434,767.21
  5. Step 5: Solve for x
    x = 1,765,763,434,767.21/1,838,300.22
  6. Step 6: Final answer
    x = 960,541.38

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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.