Home / 403,824.40-605,736.60-377,580.40

Finding the Fourth Proportional to 403,824.40, 605,736.60 and 377,580.40

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Solution

The fourth proportional to 403,824.40, 605,736.60 and 377,580.40 is: 566,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,824.40 : 605,736.60 = 377,580.40 : x
  2. Step 2: Convert to fraction form
    403,824.40/605,736.60 = 377,580.40/x
  3. Step 3: Cross multiply
    403,824.40x = 605,736.60 × 377,580.40
  4. Step 4: Simplify right side
    403,824.40x = 228,714,267,722.64
  5. Step 5: Solve for x
    x = 228,714,267,722.64/403,824.40
  6. Step 6: Final answer
    x = 566,370.60

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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.