Home / 515,742.16-773,914.44-216,199.72

Finding the Fourth Proportional to 515,742.16, 773,914.44 and 216,199.72

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Solution

The fourth proportional to 515,742.16, 773,914.44 and 216,199.72 is: 324,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,742.16 : 773,914.44 = 216,199.72 : x
  2. Step 2: Convert to fraction form
    515,742.16/773,914.44 = 216,199.72/x
  3. Step 3: Cross multiply
    515,742.16x = 773,914.44 × 216,199.72
  4. Step 4: Simplify right side
    515,742.16x = 167,320,085,231.96
  5. Step 5: Solve for x
    x = 167,320,085,231.96/515,742.16
  6. Step 6: Final answer
    x = 324,425.84

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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.