Home / 515,441.14-773,152.17-211,770.88

Finding the Fourth Proportional to 515,441.14, 773,152.17 and 211,770.88

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Solution

The fourth proportional to 515,441.14, 773,152.17 and 211,770.88 is: 317,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,441.14 : 773,152.17 = 211,770.88 : x
  2. Step 2: Convert to fraction form
    515,441.14/773,152.17 = 211,770.88/x
  3. Step 3: Cross multiply
    515,441.14x = 773,152.17 × 211,770.88
  4. Step 4: Simplify right side
    515,441.14x = 163,731,115,414.81
  5. Step 5: Solve for x
    x = 163,731,115,414.81/515,441.14
  6. Step 6: Final answer
    x = 317,652.40

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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.