Home / 344,998.20-517,497.30-251,686.20

Finding the Fourth Proportional to 344,998.20, 517,497.30 and 251,686.20

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Solution

The fourth proportional to 344,998.20, 517,497.30 and 251,686.20 is: 377,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,998.20 : 517,497.30 = 251,686.20 : x
  2. Step 2: Convert to fraction form
    344,998.20/517,497.30 = 251,686.20/x
  3. Step 3: Cross multiply
    344,998.20x = 517,497.30 × 251,686.20
  4. Step 4: Simplify right side
    344,998.20x = 130,246,928,947.26
  5. Step 5: Solve for x
    x = 130,246,928,947.26/344,998.20
  6. Step 6: Final answer
    x = 377,529.30

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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.