Home / 324,165.22-447,585.07-209,511.74

Finding the Fourth Proportional to 324,165.22, 447,585.07 and 209,511.74

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Solution

The fourth proportional to 324,165.22, 447,585.07 and 209,511.74 is: 289,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,165.22 : 447,585.07 = 209,511.74 : x
  2. Step 2: Convert to fraction form
    324,165.22/447,585.07 = 209,511.74/x
  3. Step 3: Cross multiply
    324,165.22x = 447,585.07 × 209,511.74
  4. Step 4: Simplify right side
    324,165.22x = 93,774,326,813.72
  5. Step 5: Solve for x
    x = 93,774,326,813.72/324,165.22
  6. Step 6: Final answer
    x = 289,279.42

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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.