Home / 443,934.43-612,631.88-242,730.43

Finding the Fourth Proportional to 443,934.43, 612,631.88 and 242,730.43

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Solution

The fourth proportional to 443,934.43, 612,631.88 and 242,730.43 is: 334,969.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,934.43 : 612,631.88 = 242,730.43 : x
  2. Step 2: Convert to fraction form
    443,934.43/612,631.88 = 242,730.43/x
  3. Step 3: Cross multiply
    443,934.43x = 612,631.88 × 242,730.43
  4. Step 4: Simplify right side
    443,934.43x = 148,704,398,450.46
  5. Step 5: Solve for x
    x = 148,704,398,450.46/443,934.43
  6. Step 6: Final answer
    x = 334,969.28

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1.5x scale

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.