Home / 764,078.58-1,054,382.13-424,535.22

Finding the Fourth Proportional to 764,078.58, 1,054,382.13 and 424,535.22

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Solution

The fourth proportional to 764,078.58, 1,054,382.13 and 424,535.22 is: 585,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,078.58 : 1,054,382.13 = 424,535.22 : x
  2. Step 2: Convert to fraction form
    764,078.58/1,054,382.13 = 424,535.22/x
  3. Step 3: Cross multiply
    764,078.58x = 1,054,382.13 × 424,535.22
  4. Step 4: Simplify right side
    764,078.58x = 447,622,349,523.62
  5. Step 5: Solve for x
    x = 447,622,349,523.62/764,078.58
  6. Step 6: Final answer
    x = 585,832.87

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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.