Home / 443,410.08-611,920.96-242,219.04

Finding the Fourth Proportional to 443,410.08, 611,920.96 and 242,219.04

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Solution

The fourth proportional to 443,410.08, 611,920.96 and 242,219.04 is: 334,270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,410.08 : 611,920.96 = 242,219.04 : x
  2. Step 2: Convert to fraction form
    443,410.08/611,920.96 = 242,219.04/x
  3. Step 3: Cross multiply
    443,410.08x = 611,920.96 × 242,219.04
  4. Step 4: Simplify right side
    443,410.08x = 148,218,907,487.08
  5. Step 5: Solve for x
    x = 148,218,907,487.08/443,410.08
  6. Step 6: Final answer
    x = 334,270.50

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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.