Home / 816,049.05-1,126,159.39-448,560.22

Finding the Fourth Proportional to 816,049.05, 1,126,159.39 and 448,560.22

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Solution

The fourth proportional to 816,049.05, 1,126,159.39 and 448,560.22 is: 619,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,049.05 : 1,126,159.39 = 448,560.22 : x
  2. Step 2: Convert to fraction form
    816,049.05/1,126,159.39 = 448,560.22/x
  3. Step 3: Cross multiply
    816,049.05x = 1,126,159.39 × 448,560.22
  4. Step 4: Simplify right side
    816,049.05x = 505,150,303,733.47
  5. Step 5: Solve for x
    x = 505,150,303,733.47/816,049.05
  6. Step 6: Final answer
    x = 619,019.54

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Double scale
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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.