Home / 886,678.49-1,330,204.76-287,593.12

Finding the Fourth Proportional to 886,678.49, 1,330,204.76 and 287,593.12

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Solution

The fourth proportional to 886,678.49, 1,330,204.76 and 287,593.12 is: 431,450.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,678.49 : 1,330,204.76 = 287,593.12 : x
  2. Step 2: Convert to fraction form
    886,678.49/1,330,204.76 = 287,593.12/x
  3. Step 3: Cross multiply
    886,678.49x = 1,330,204.76 × 287,593.12
  4. Step 4: Simplify right side
    886,678.49x = 382,557,737,167.25
  5. Step 5: Solve for x
    x = 382,557,737,167.25/886,678.49
  6. Step 6: Final answer
    x = 431,450.34

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Double scale
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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.