Home / 443,225.22-611,653.05-242,021.22

Finding the Fourth Proportional to 443,225.22, 611,653.05 and 242,021.22

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Solution

The fourth proportional to 443,225.22, 611,653.05 and 242,021.22 is: 333,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,225.22 : 611,653.05 = 242,021.22 : x
  2. Step 2: Convert to fraction form
    443,225.22/611,653.05 = 242,021.22/x
  3. Step 3: Cross multiply
    443,225.22x = 611,653.05 × 242,021.22
  4. Step 4: Simplify right side
    443,225.22x = 148,033,017,377.72
  5. Step 5: Solve for x
    x = 148,033,017,377.72/443,225.22
  6. Step 6: Final answer
    x = 333,990.51

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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.