Home / 849,107.81-1,171,768.78-467,126.39

Finding the Fourth Proportional to 849,107.81, 1,171,768.78 and 467,126.39

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Solution

The fourth proportional to 849,107.81, 1,171,768.78 and 467,126.39 is: 644,634.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,107.81 : 1,171,768.78 = 467,126.39 : x
  2. Step 2: Convert to fraction form
    849,107.81/1,171,768.78 = 467,126.39/x
  3. Step 3: Cross multiply
    849,107.81x = 1,171,768.78 × 467,126.39
  4. Step 4: Simplify right side
    849,107.81x = 547,364,123,629.43
  5. Step 5: Solve for x
    x = 547,364,123,629.43/849,107.81
  6. Step 6: Final answer
    x = 644,634.42

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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.