Home / 725,049.56-1,085,917.72-346,235.68

Finding the Fourth Proportional to 725,049.56, 1,085,917.72 and 346,235.68

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Solution

The fourth proportional to 725,049.56, 1,085,917.72 and 346,235.68 is: 518,562.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,049.56 : 1,085,917.72 = 346,235.68 : x
  2. Step 2: Convert to fraction form
    725,049.56/1,085,917.72 = 346,235.68/x
  3. Step 3: Cross multiply
    725,049.56x = 1,085,917.72 × 346,235.68
  4. Step 4: Simplify right side
    725,049.56x = 375,983,460,208.25
  5. Step 5: Solve for x
    x = 375,983,460,208.25/725,049.56
  6. Step 6: Final answer
    x = 518,562.43

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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.