Home / 759,076.92-1,047,592.85-419,610.78

Finding the Fourth Proportional to 759,076.92, 1,047,592.85 and 419,610.78

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Solution

The fourth proportional to 759,076.92, 1,047,592.85 and 419,610.78 is: 579,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,076.92 : 1,047,592.85 = 419,610.78 : x
  2. Step 2: Convert to fraction form
    759,076.92/1,047,592.85 = 419,610.78/x
  3. Step 3: Cross multiply
    759,076.92x = 1,047,592.85 × 419,610.78
  4. Step 4: Simplify right side
    759,076.92x = 439,581,250,812.87
  5. Step 5: Solve for x
    x = 439,581,250,812.87/759,076.92
  6. Step 6: Final answer
    x = 579,099.75

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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.