Home / 443,395.13-611,885.34-242,191.13

Finding the Fourth Proportional to 443,395.13, 611,885.34 and 242,191.13

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Solution

The fourth proportional to 443,395.13, 611,885.34 and 242,191.13 is: 334,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,395.13 : 611,885.34 = 242,191.13 : x
  2. Step 2: Convert to fraction form
    443,395.13/611,885.34 = 242,191.13/x
  3. Step 3: Cross multiply
    443,395.13x = 611,885.34 × 242,191.13
  4. Step 4: Simplify right side
    443,395.13x = 148,193,198,865.61
  5. Step 5: Solve for x
    x = 148,193,198,865.61/443,395.13
  6. Step 6: Final answer
    x = 334,223.79

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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.