Home / 874,446.07-1,311,669.11-341,593.42

Finding the Fourth Proportional to 874,446.07, 1,311,669.11 and 341,593.42

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Solution

The fourth proportional to 874,446.07, 1,311,669.11 and 341,593.42 is: 512,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,446.07 : 1,311,669.11 = 341,593.42 : x
  2. Step 2: Convert to fraction form
    874,446.07/1,311,669.11 = 341,593.42/x
  3. Step 3: Cross multiply
    874,446.07x = 1,311,669.11 × 341,593.42
  4. Step 4: Simplify right side
    874,446.07x = 448,057,537,193.26
  5. Step 5: Solve for x
    x = 448,057,537,193.26/874,446.07
  6. Step 6: Final answer
    x = 512,390.13

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.