Home / 1,902,486.69-2,854,169.24-640,283.49

Finding the Fourth Proportional to 1,902,486.69, 2,854,169.24 and 640,283.49

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Solution

The fourth proportional to 1,902,486.69, 2,854,169.24 and 640,283.49 is: 960,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,486.69 : 2,854,169.24 = 640,283.49 : x
  2. Step 2: Convert to fraction form
    1,902,486.69/2,854,169.24 = 640,283.49/x
  3. Step 3: Cross multiply
    1,902,486.69x = 2,854,169.24 × 640,283.49
  4. Step 4: Simplify right side
    1,902,486.69x = 1,827,477,438,836.43
  5. Step 5: Solve for x
    x = 1,827,477,438,836.43/1,902,486.69
  6. Step 6: Final answer
    x = 960,573.05

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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.