Home / 805,957.36-1,112,177.22-443,322.67

Finding the Fourth Proportional to 805,957.36, 1,112,177.22 and 443,322.67

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Solution

The fourth proportional to 805,957.36, 1,112,177.22 and 443,322.67 is: 611,761.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,957.36 : 1,112,177.22 = 443,322.67 : x
  2. Step 2: Convert to fraction form
    805,957.36/1,112,177.22 = 443,322.67/x
  3. Step 3: Cross multiply
    805,957.36x = 1,112,177.22 × 443,322.67
  4. Step 4: Simplify right side
    805,957.36x = 493,053,374,683.58
  5. Step 5: Solve for x
    x = 493,053,374,683.58/805,957.36
  6. Step 6: Final answer
    x = 611,761.12

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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.