Home / 764,827.94-1,055,463.42-425,288.90

Finding the Fourth Proportional to 764,827.94, 1,055,463.42 and 425,288.90

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Solution

The fourth proportional to 764,827.94, 1,055,463.42 and 425,288.90 is: 586,899.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,827.94 : 1,055,463.42 = 425,288.90 : x
  2. Step 2: Convert to fraction form
    764,827.94/1,055,463.42 = 425,288.90/x
  3. Step 3: Cross multiply
    764,827.94x = 1,055,463.42 × 425,288.90
  4. Step 4: Simplify right side
    764,827.94x = 448,876,876,882.04
  5. Step 5: Solve for x
    x = 448,876,876,882.04/764,827.94
  6. Step 6: Final answer
    x = 586,899.16

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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.