Home / 849,170.67-1,171,357.92-543,135.39

Finding the Fourth Proportional to 849,170.67, 1,171,357.92 and 543,135.39

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Solution

The fourth proportional to 849,170.67, 1,171,357.92 and 543,135.39 is: 749,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,170.67 : 1,171,357.92 = 543,135.39 : x
  2. Step 2: Convert to fraction form
    849,170.67/1,171,357.92 = 543,135.39/x
  3. Step 3: Cross multiply
    849,170.67x = 1,171,357.92 × 543,135.39
  4. Step 4: Simplify right side
    849,170.67x = 636,205,940,708.79
  5. Step 5: Solve for x
    x = 636,205,940,708.79/849,170.67
  6. Step 6: Final answer
    x = 749,208.57

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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.