Home / 849,122.11-1,171,786.76-467,147.98

Finding the Fourth Proportional to 849,122.11, 1,171,786.76 and 467,147.98

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Solution

The fourth proportional to 849,122.11, 1,171,786.76 and 467,147.98 is: 644,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,122.11 : 1,171,786.76 = 467,147.98 : x
  2. Step 2: Convert to fraction form
    849,122.11/1,171,786.76 = 467,147.98/x
  3. Step 3: Cross multiply
    849,122.11x = 1,171,786.76 × 467,147.98
  4. Step 4: Simplify right side
    849,122.11x = 547,397,812,659.54
  5. Step 5: Solve for x
    x = 547,397,812,659.54/849,122.11
  6. Step 6: Final answer
    x = 644,663.24

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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.