Home / 946,552.78-1,306,295.76-516,872.80

Finding the Fourth Proportional to 946,552.78, 1,306,295.76 and 516,872.80

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Solution

The fourth proportional to 946,552.78, 1,306,295.76 and 516,872.80 is: 713,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,552.78 : 1,306,295.76 = 516,872.80 : x
  2. Step 2: Convert to fraction form
    946,552.78/1,306,295.76 = 516,872.80/x
  3. Step 3: Cross multiply
    946,552.78x = 1,306,295.76 × 516,872.80
  4. Step 4: Simplify right side
    946,552.78x = 675,188,747,099.33
  5. Step 5: Solve for x
    x = 675,188,747,099.33/946,552.78
  6. Step 6: Final answer
    x = 713,313.36

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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.