Home / 764,049.36-1,054,394.37-477,735.42

Finding the Fourth Proportional to 764,049.36, 1,054,394.37 and 477,735.42

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Solution

The fourth proportional to 764,049.36, 1,054,394.37 and 477,735.42 is: 659,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,049.36 : 1,054,394.37 = 477,735.42 : x
  2. Step 2: Convert to fraction form
    764,049.36/1,054,394.37 = 477,735.42/x
  3. Step 3: Cross multiply
    764,049.36x = 1,054,394.37 × 477,735.42
  4. Step 4: Simplify right side
    764,049.36x = 503,721,537,197.59
  5. Step 5: Solve for x
    x = 503,721,537,197.59/764,049.36
  6. Step 6: Final answer
    x = 659,278.79

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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.