Home / 1,919,851.70-2,878,999.95-657,029.30

Finding the Fourth Proportional to 1,919,851.70, 2,878,999.95 and 657,029.30

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Solution

The fourth proportional to 1,919,851.70, 2,878,999.95 and 657,029.30 is: 985,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,851.70 : 2,878,999.95 = 657,029.30 : x
  2. Step 2: Convert to fraction form
    1,919,851.70/2,878,999.95 = 657,029.30/x
  3. Step 3: Cross multiply
    1,919,851.70x = 2,878,999.95 × 657,029.30
  4. Step 4: Simplify right side
    1,919,851.70x = 1,891,587,321,848.54
  5. Step 5: Solve for x
    x = 1,891,587,321,848.54/1,919,851.70
  6. Step 6: Final answer
    x = 985,277.83

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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.