Home / 805,864.53-1,112,095.67-443,315.97

Finding the Fourth Proportional to 805,864.53, 1,112,095.67 and 443,315.97

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Solution

The fourth proportional to 805,864.53, 1,112,095.67 and 443,315.97 is: 611,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,864.53 : 1,112,095.67 = 443,315.97 : x
  2. Step 2: Convert to fraction form
    805,864.53/1,112,095.67 = 443,315.97/x
  3. Step 3: Cross multiply
    805,864.53x = 1,112,095.67 × 443,315.97
  4. Step 4: Simplify right side
    805,864.53x = 493,009,768,462.27
  5. Step 5: Solve for x
    x = 493,009,768,462.27/805,864.53
  6. Step 6: Final answer
    x = 611,777.48

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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.