Home / 413,086.40-619,629.60-367,985.60

Finding the Fourth Proportional to 413,086.40, 619,629.60 and 367,985.60

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Solution

The fourth proportional to 413,086.40, 619,629.60 and 367,985.60 is: 551,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,086.40 : 619,629.60 = 367,985.60 : x
  2. Step 2: Convert to fraction form
    413,086.40/619,629.60 = 367,985.60/x
  3. Step 3: Cross multiply
    413,086.40x = 619,629.60 × 367,985.60
  4. Step 4: Simplify right side
    413,086.40x = 228,014,770,133.76
  5. Step 5: Solve for x
    x = 228,014,770,133.76/413,086.40
  6. Step 6: Final answer
    x = 551,978.40

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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.