Home / 805,957.86-1,112,177.90-443,323.18

Finding the Fourth Proportional to 805,957.86, 1,112,177.90 and 443,323.18

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Solution

The fourth proportional to 805,957.86, 1,112,177.90 and 443,323.18 is: 611,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,957.86 : 1,112,177.90 = 443,323.18 : x
  2. Step 2: Convert to fraction form
    805,957.86/1,112,177.90 = 443,323.18/x
  3. Step 3: Cross multiply
    805,957.86x = 1,112,177.90 × 443,323.18
  4. Step 4: Simplify right side
    805,957.86x = 493,054,243,353.72
  5. Step 5: Solve for x
    x = 493,054,243,353.72/805,957.86
  6. Step 6: Final answer
    x = 611,761.82

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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.