Home / 443,440.77-611,948.30-242,236.77

Finding the Fourth Proportional to 443,440.77, 611,948.30 and 242,236.77

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Solution

The fourth proportional to 443,440.77, 611,948.30 and 242,236.77 is: 334,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,440.77 : 611,948.30 = 242,236.77 : x
  2. Step 2: Convert to fraction form
    443,440.77/611,948.30 = 242,236.77/x
  3. Step 3: Cross multiply
    443,440.77x = 611,948.30 × 242,236.77
  4. Step 4: Simplify right side
    443,440.77x = 148,236,379,598.99
  5. Step 5: Solve for x
    x = 148,236,379,598.99/443,440.77
  6. Step 6: Final answer
    x = 334,286.76

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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.