Home / 298,432.08-447,084.72-231,079.74

Finding the Fourth Proportional to 298,432.08, 447,084.72 and 231,079.74

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Solution

The fourth proportional to 298,432.08, 447,084.72 and 231,079.74 is: 346,183.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,432.08 : 447,084.72 = 231,079.74 : x
  2. Step 2: Convert to fraction form
    298,432.08/447,084.72 = 231,079.74/x
  3. Step 3: Cross multiply
    298,432.08x = 447,084.72 × 231,079.74
  4. Step 4: Simplify right side
    298,432.08x = 103,312,220,855.57
  5. Step 5: Solve for x
    x = 103,312,220,855.57/298,432.08
  6. Step 6: Final answer
    x = 346,183.36

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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.