Home / 823,117.48-1,135,404.86-543,716.39

Finding the Fourth Proportional to 823,117.48, 1,135,404.86 and 543,716.39

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Solution

The fourth proportional to 823,117.48, 1,135,404.86 and 543,716.39 is: 750,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,117.48 : 1,135,404.86 = 543,716.39 : x
  2. Step 2: Convert to fraction form
    823,117.48/1,135,404.86 = 543,716.39/x
  3. Step 3: Cross multiply
    823,117.48x = 1,135,404.86 × 543,716.39
  4. Step 4: Simplify right side
    823,117.48x = 617,338,223,272.05
  5. Step 5: Solve for x
    x = 617,338,223,272.05/823,117.48
  6. Step 6: Final answer
    x = 750,000.14

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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.