Home / 805,044.61-1,110,961.92-442,465.48

Finding the Fourth Proportional to 805,044.61, 1,110,961.92 and 442,465.48

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Solution

The fourth proportional to 805,044.61, 1,110,961.92 and 442,465.48 is: 610,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,044.61 : 1,110,961.92 = 442,465.48 : x
  2. Step 2: Convert to fraction form
    805,044.61/1,110,961.92 = 442,465.48/x
  3. Step 3: Cross multiply
    805,044.61x = 1,110,961.92 × 442,465.48
  4. Step 4: Simplify right side
    805,044.61x = 491,562,299,194.52
  5. Step 5: Solve for x
    x = 491,562,299,194.52/805,044.61
  6. Step 6: Final answer
    x = 610,602.56

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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.