Home / 734,837.54-1,014,134.38-412,568.78

Finding the Fourth Proportional to 734,837.54, 1,014,134.38 and 412,568.78

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Solution

The fourth proportional to 734,837.54, 1,014,134.38 and 412,568.78 is: 569,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,837.54 : 1,014,134.38 = 412,568.78 : x
  2. Step 2: Convert to fraction form
    734,837.54/1,014,134.38 = 412,568.78/x
  3. Step 3: Cross multiply
    734,837.54x = 1,014,134.38 × 412,568.78
  4. Step 4: Simplify right side
    734,837.54x = 418,400,177,810.56
  5. Step 5: Solve for x
    x = 418,400,177,810.56/734,837.54
  6. Step 6: Final answer
    x = 569,377.80

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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.