Home / 849,173.67-1,171,362.06-543,138.39

Finding the Fourth Proportional to 849,173.67, 1,171,362.06 and 543,138.39

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Solution

The fourth proportional to 849,173.67, 1,171,362.06 and 543,138.39 is: 749,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,173.67 : 1,171,362.06 = 543,138.39 : x
  2. Step 2: Convert to fraction form
    849,173.67/1,171,362.06 = 543,138.39/x
  3. Step 3: Cross multiply
    849,173.67x = 1,171,362.06 × 543,138.39
  4. Step 4: Simplify right side
    849,173.67x = 636,211,703,375.48
  5. Step 5: Solve for x
    x = 636,211,703,375.48/849,173.67
  6. Step 6: Final answer
    x = 749,212.71

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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.