Home / 1,854,680.14-2,782,209-640,098.70

Finding the Fourth Proportional to 1,854,680.14, 2,782,209 and 640,098.70

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Solution

The fourth proportional to 1,854,680.14, 2,782,209 and 640,098.70 is: 960,213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,680.14 : 2,782,209 = 640,098.70 : x
  2. Step 2: Convert to fraction form
    1,854,680.14/2,782,209 = 640,098.70/x
  3. Step 3: Cross multiply
    1,854,680.14x = 2,782,209 × 640,098.70
  4. Step 4: Simplify right side
    1,854,680.14x = 1,780,888,364,028.30
  5. Step 5: Solve for x
    x = 1,780,888,364,028.30/1,854,680.14
  6. Step 6: Final answer
    x = 960,213.21

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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.