Home / 764,601.50-1,055,151.29-425,069.75

Finding the Fourth Proportional to 764,601.50, 1,055,151.29 and 425,069.75

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Solution

The fourth proportional to 764,601.50, 1,055,151.29 and 425,069.75 is: 586,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,601.50 : 1,055,151.29 = 425,069.75 : x
  2. Step 2: Convert to fraction form
    764,601.50/1,055,151.29 = 425,069.75/x
  3. Step 3: Cross multiply
    764,601.50x = 1,055,151.29 × 425,069.75
  4. Step 4: Simplify right side
    764,601.50x = 448,512,895,052.48
  5. Step 5: Solve for x
    x = 448,512,895,052.48/764,601.50
  6. Step 6: Final answer
    x = 586,596.93

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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.