Home / 849,119.88-1,171,785.42-467,138.46

Finding the Fourth Proportional to 849,119.88, 1,171,785.42 and 467,138.46

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Solution

The fourth proportional to 849,119.88, 1,171,785.42 and 467,138.46 is: 644,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,119.88 : 1,171,785.42 = 467,138.46 : x
  2. Step 2: Convert to fraction form
    849,119.88/1,171,785.42 = 467,138.46/x
  3. Step 3: Cross multiply
    849,119.88x = 1,171,785.42 × 467,138.46
  4. Step 4: Simplify right side
    849,119.88x = 547,386,036,549.25
  5. Step 5: Solve for x
    x = 547,386,036,549.25/849,119.88
  6. Step 6: Final answer
    x = 644,651.07

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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.