Home / 769,797.28-1,062,321.36-430,264.96

Finding the Fourth Proportional to 769,797.28, 1,062,321.36 and 430,264.96

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Solution

The fourth proportional to 769,797.28, 1,062,321.36 and 430,264.96 is: 593,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,797.28 : 1,062,321.36 = 430,264.96 : x
  2. Step 2: Convert to fraction form
    769,797.28/1,062,321.36 = 430,264.96/x
  3. Step 3: Cross multiply
    769,797.28x = 1,062,321.36 × 430,264.96
  4. Step 4: Simplify right side
    769,797.28x = 457,079,657,467.55
  5. Step 5: Solve for x
    x = 457,079,657,467.55/769,797.28
  6. Step 6: Final answer
    x = 593,766.27

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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.