Home / 764,243.88-1,052,833.75-534,371.05

Finding the Fourth Proportional to 764,243.88, 1,052,833.75 and 534,371.05

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Solution

The fourth proportional to 764,243.88, 1,052,833.75 and 534,371.05 is: 736,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,243.88 : 1,052,833.75 = 534,371.05 : x
  2. Step 2: Convert to fraction form
    764,243.88/1,052,833.75 = 534,371.05/x
  3. Step 3: Cross multiply
    764,243.88x = 1,052,833.75 × 534,371.05
  4. Step 4: Simplify right side
    764,243.88x = 562,603,876,462.94
  5. Step 5: Solve for x
    x = 562,603,876,462.94/764,243.88
  6. Step 6: Final answer
    x = 736,157.52

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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.