Home / 324,005.40-486,226.80-211,411.35

Finding the Fourth Proportional to 324,005.40, 486,226.80 and 211,411.35

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Solution

The fourth proportional to 324,005.40, 486,226.80 and 211,411.35 is: 317,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,005.40 : 486,226.80 = 211,411.35 : x
  2. Step 2: Convert to fraction form
    324,005.40/486,226.80 = 211,411.35/x
  3. Step 3: Cross multiply
    324,005.40x = 486,226.80 × 211,411.35
  4. Step 4: Simplify right side
    324,005.40x = 102,793,864,194.18
  5. Step 5: Solve for x
    x = 102,793,864,194.18/324,005.40
  6. Step 6: Final answer
    x = 317,259.73

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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.