Home / 849,185.70-1,171,378.62-543,150.42

Finding the Fourth Proportional to 849,185.70, 1,171,378.62 and 543,150.42

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Solution

The fourth proportional to 849,185.70, 1,171,378.62 and 543,150.42 is: 749,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,185.70 : 1,171,378.62 = 543,150.42 : x
  2. Step 2: Convert to fraction form
    849,185.70/1,171,378.62 = 543,150.42/x
  3. Step 3: Cross multiply
    849,185.70x = 1,171,378.62 × 543,150.42
  4. Step 4: Simplify right side
    849,185.70x = 636,234,789,432.02
  5. Step 5: Solve for x
    x = 636,234,789,432.02/849,185.70
  6. Step 6: Final answer
    x = 749,229.28

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Double scale
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Similar ratio
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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.