Home / 591,207.40-886,811.10-217,498.60

Finding the Fourth Proportional to 591,207.40, 886,811.10 and 217,498.60

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Solution

The fourth proportional to 591,207.40, 886,811.10 and 217,498.60 is: 326,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,207.40 : 886,811.10 = 217,498.60 : x
  2. Step 2: Convert to fraction form
    591,207.40/886,811.10 = 217,498.60/x
  3. Step 3: Cross multiply
    591,207.40x = 886,811.10 × 217,498.60
  4. Step 4: Simplify right side
    591,207.40x = 192,880,172,714.46
  5. Step 5: Solve for x
    x = 192,880,172,714.46/591,207.40
  6. Step 6: Final answer
    x = 326,247.90

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Double scale
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Similar ratio
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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.