Home / 1,200,083.44-1,656,111-663,539.44

Finding the Fourth Proportional to 1,200,083.44, 1,656,111 and 663,539.44

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Solution

The fourth proportional to 1,200,083.44, 1,656,111 and 663,539.44 is: 915,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,083.44 : 1,656,111 = 663,539.44 : x
  2. Step 2: Convert to fraction form
    1,200,083.44/1,656,111 = 663,539.44/x
  3. Step 3: Cross multiply
    1,200,083.44x = 1,656,111 × 663,539.44
  4. Step 4: Simplify right side
    1,200,083.44x = 1,098,894,965,517.84
  5. Step 5: Solve for x
    x = 1,098,894,965,517.84/1,200,083.44
  6. Step 6: Final answer
    x = 915,682.13

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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.