Home / 324,189.34-447,618.36-209,535.88

Finding the Fourth Proportional to 324,189.34, 447,618.36 and 209,535.88

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Solution

The fourth proportional to 324,189.34, 447,618.36 and 209,535.88 is: 289,312.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,189.34 : 447,618.36 = 209,535.88 : x
  2. Step 2: Convert to fraction form
    324,189.34/447,618.36 = 209,535.88/x
  3. Step 3: Cross multiply
    324,189.34x = 447,618.36 × 209,535.88
  4. Step 4: Simplify right side
    324,189.34x = 93,792,106,966.76
  5. Step 5: Solve for x
    x = 93,792,106,966.76/324,189.34
  6. Step 6: Final answer
    x = 289,312.74

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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.