Home / 372,133.20-558,199.80-352,887.60

Finding the Fourth Proportional to 372,133.20, 558,199.80 and 352,887.60

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Solution

The fourth proportional to 372,133.20, 558,199.80 and 352,887.60 is: 529,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,133.20 : 558,199.80 = 352,887.60 : x
  2. Step 2: Convert to fraction form
    372,133.20/558,199.80 = 352,887.60/x
  3. Step 3: Cross multiply
    372,133.20x = 558,199.80 × 352,887.60
  4. Step 4: Simplify right side
    372,133.20x = 196,981,787,742.48
  5. Step 5: Solve for x
    x = 196,981,787,742.48/372,133.20
  6. Step 6: Final answer
    x = 529,331.40

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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.