Home / 806,665.25-1,113,178.43-444,086.21

Finding the Fourth Proportional to 806,665.25, 1,113,178.43 and 444,086.21

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Solution

The fourth proportional to 806,665.25, 1,113,178.43 and 444,086.21 is: 612,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,665.25 : 1,113,178.43 = 444,086.21 : x
  2. Step 2: Convert to fraction form
    806,665.25/1,113,178.43 = 444,086.21/x
  3. Step 3: Cross multiply
    806,665.25x = 1,113,178.43 × 444,086.21
  4. Step 4: Simplify right side
    806,665.25x = 494,347,187,812.02
  5. Step 5: Solve for x
    x = 494,347,187,812.02/806,665.25
  6. Step 6: Final answer
    x = 612,828.17

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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.