Home / 443,742.26-612,364.20-242,538.26

Finding the Fourth Proportional to 443,742.26, 612,364.20 and 242,538.26

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Solution

The fourth proportional to 443,742.26, 612,364.20 and 242,538.26 is: 334,702.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,742.26 : 612,364.20 = 242,538.26 : x
  2. Step 2: Convert to fraction form
    443,742.26/612,364.20 = 242,538.26/x
  3. Step 3: Cross multiply
    443,742.26x = 612,364.20 × 242,538.26
  4. Step 4: Simplify right side
    443,742.26x = 148,521,747,554.29
  5. Step 5: Solve for x
    x = 148,521,747,554.29/443,742.26
  6. Step 6: Final answer
    x = 334,702.73

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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.