Home / 443,103.38-611,552.85-281,790.26

Finding the Fourth Proportional to 443,103.38, 611,552.85 and 281,790.26

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Solution

The fourth proportional to 443,103.38, 611,552.85 and 281,790.26 is: 388,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,103.38 : 611,552.85 = 281,790.26 : x
  2. Step 2: Convert to fraction form
    443,103.38/611,552.85 = 281,790.26/x
  3. Step 3: Cross multiply
    443,103.38x = 611,552.85 × 281,790.26
  4. Step 4: Simplify right side
    443,103.38x = 172,329,636,605.24
  5. Step 5: Solve for x
    x = 172,329,636,605.24/443,103.38
  6. Step 6: Final answer
    x = 388,915.19

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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.