Home / 764,034.16-1,144,476.24-447,531.52

Finding the Fourth Proportional to 764,034.16, 1,144,476.24 and 447,531.52

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Solution

The fourth proportional to 764,034.16, 1,144,476.24 and 447,531.52 is: 670,374.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,034.16 : 1,144,476.24 = 447,531.52 : x
  2. Step 2: Convert to fraction form
    764,034.16/1,144,476.24 = 447,531.52/x
  3. Step 3: Cross multiply
    764,034.16x = 1,144,476.24 × 447,531.52
  4. Step 4: Simplify right side
    764,034.16x = 512,189,191,291.09
  5. Step 5: Solve for x
    x = 512,189,191,291.09/764,034.16
  6. Step 6: Final answer
    x = 670,374.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.