Home / 443,428.92-611,909.10-242,186.04

Finding the Fourth Proportional to 443,428.92, 611,909.10 and 242,186.04

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Solution

The fourth proportional to 443,428.92, 611,909.10 and 242,186.04 is: 334,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,428.92 : 611,909.10 = 242,186.04 : x
  2. Step 2: Convert to fraction form
    443,428.92/611,909.10 = 242,186.04/x
  3. Step 3: Cross multiply
    443,428.92x = 611,909.10 × 242,186.04
  4. Step 4: Simplify right side
    443,428.92x = 148,195,841,768.96
  5. Step 5: Solve for x
    x = 148,195,841,768.96/443,428.92
  6. Step 6: Final answer
    x = 334,204.28

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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.