Home / 805,956.86-1,112,176.53-443,322.17

Finding the Fourth Proportional to 805,956.86, 1,112,176.53 and 443,322.17

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Solution

The fourth proportional to 805,956.86, 1,112,176.53 and 443,322.17 is: 611,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,956.86 : 1,112,176.53 = 443,322.17 : x
  2. Step 2: Convert to fraction form
    805,956.86/1,112,176.53 = 443,322.17/x
  3. Step 3: Cross multiply
    805,956.86x = 1,112,176.53 × 443,322.17
  4. Step 4: Simplify right side
    805,956.86x = 493,052,512,702.67
  5. Step 5: Solve for x
    x = 493,052,512,702.67/805,956.86
  6. Step 6: Final answer
    x = 611,760.43

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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.