Home / 1,511,672.40-2,086,029.16-938,700.28

Finding the Fourth Proportional to 1,511,672.40, 2,086,029.16 and 938,700.28

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Solution

The fourth proportional to 1,511,672.40, 2,086,029.16 and 938,700.28 is: 1,295,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,672.40 : 2,086,029.16 = 938,700.28 : x
  2. Step 2: Convert to fraction form
    1,511,672.40/2,086,029.16 = 938,700.28/x
  3. Step 3: Cross multiply
    1,511,672.40x = 2,086,029.16 × 938,700.28
  4. Step 4: Simplify right side
    1,511,672.40x = 1,958,156,156,580.16
  5. Step 5: Solve for x
    x = 1,958,156,156,580.16/1,511,672.40
  6. Step 6: Final answer
    x = 1,295,357.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.