Home / 619,739.92-929,597.46-407,846.26

Finding the Fourth Proportional to 619,739.92, 929,597.46 and 407,846.26

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Solution

The fourth proportional to 619,739.92, 929,597.46 and 407,846.26 is: 611,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,739.92 : 929,597.46 = 407,846.26 : x
  2. Step 2: Convert to fraction form
    619,739.92/929,597.46 = 407,846.26/x
  3. Step 3: Cross multiply
    619,739.92x = 929,597.46 × 407,846.26
  4. Step 4: Simplify right side
    619,739.92x = 379,132,847,366.50
  5. Step 5: Solve for x
    x = 379,132,847,366.50/619,739.92
  6. Step 6: Final answer
    x = 611,761.22

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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.