Home / 1,663,679.44-2,295,983.92-938,262.48

Finding the Fourth Proportional to 1,663,679.44, 2,295,983.92 and 938,262.48

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Solution

The fourth proportional to 1,663,679.44, 2,295,983.92 and 938,262.48 is: 1,294,862.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,679.44 : 2,295,983.92 = 938,262.48 : x
  2. Step 2: Convert to fraction form
    1,663,679.44/2,295,983.92 = 938,262.48/x
  3. Step 3: Cross multiply
    1,663,679.44x = 2,295,983.92 × 938,262.48
  4. Step 4: Simplify right side
    1,663,679.44x = 2,154,235,566,819.32
  5. Step 5: Solve for x
    x = 2,154,235,566,819.32/1,663,679.44
  6. Step 6: Final answer
    x = 1,294,862.17

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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.