Home / 515,921.60-773,623.20-235,121.60

Finding the Fourth Proportional to 515,921.60, 773,623.20 and 235,121.60

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Solution

The fourth proportional to 515,921.60, 773,623.20 and 235,121.60 is: 352,564.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,921.60 : 773,623.20 = 235,121.60 : x
  2. Step 2: Convert to fraction form
    515,921.60/773,623.20 = 235,121.60/x
  3. Step 3: Cross multiply
    515,921.60x = 773,623.20 × 235,121.60
  4. Step 4: Simplify right side
    515,921.60x = 181,895,524,581.12
  5. Step 5: Solve for x
    x = 181,895,524,581.12/515,921.60
  6. Step 6: Final answer
    x = 352,564.27

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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.