Home / 886,561.76-1,330,029.48-287,476.24

Finding the Fourth Proportional to 886,561.76, 1,330,029.48 and 287,476.24

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Solution

The fourth proportional to 886,561.76, 1,330,029.48 and 287,476.24 is: 431,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,561.76 : 1,330,029.48 = 287,476.24 : x
  2. Step 2: Convert to fraction form
    886,561.76/1,330,029.48 = 287,476.24/x
  3. Step 3: Cross multiply
    886,561.76x = 1,330,029.48 × 287,476.24
  4. Step 4: Simplify right side
    886,561.76x = 382,351,873,999.56
  5. Step 5: Solve for x
    x = 382,351,873,999.56/886,561.76
  6. Step 6: Final answer
    x = 431,274.94

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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.