Home / 805,973.22-1,112,214.87-443,393.19

Finding the Fourth Proportional to 805,973.22, 1,112,214.87 and 443,393.19

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Solution

The fourth proportional to 805,973.22, 1,112,214.87 and 443,393.19 is: 611,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,973.22 : 1,112,214.87 = 443,393.19 : x
  2. Step 2: Convert to fraction form
    805,973.22/1,112,214.87 = 443,393.19/x
  3. Step 3: Cross multiply
    805,973.22x = 1,112,214.87 × 443,393.19
  4. Step 4: Simplify right side
    805,973.22x = 493,148,499,174.74
  5. Step 5: Solve for x
    x = 493,148,499,174.74/805,973.22
  6. Step 6: Final answer
    x = 611,867.10

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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.