Home / 764,816.24-1,055,403.06-425,277.20

Finding the Fourth Proportional to 764,816.24, 1,055,403.06 and 425,277.20

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Solution

The fourth proportional to 764,816.24, 1,055,403.06 and 425,277.20 is: 586,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,816.24 : 1,055,403.06 = 425,277.20 : x
  2. Step 2: Convert to fraction form
    764,816.24/1,055,403.06 = 425,277.20/x
  3. Step 3: Cross multiply
    764,816.24x = 1,055,403.06 × 425,277.20
  4. Step 4: Simplify right side
    764,816.24x = 448,838,858,228.23
  5. Step 5: Solve for x
    x = 448,838,858,228.23/764,816.24
  6. Step 6: Final answer
    x = 586,858.43

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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.