Home / 764,039.16-1,054,380.29-477,725.22

Finding the Fourth Proportional to 764,039.16, 1,054,380.29 and 477,725.22

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Solution

The fourth proportional to 764,039.16, 1,054,380.29 and 477,725.22 is: 659,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,039.16 : 1,054,380.29 = 477,725.22 : x
  2. Step 2: Convert to fraction form
    764,039.16/1,054,380.29 = 477,725.22/x
  3. Step 3: Cross multiply
    764,039.16x = 1,054,380.29 × 477,725.22
  4. Step 4: Simplify right side
    764,039.16x = 503,704,053,367.96
  5. Step 5: Solve for x
    x = 503,704,053,367.96/764,039.16
  6. Step 6: Final answer
    x = 659,264.71

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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.