Home / 403,884.20-605,826.30-364,518.20

Finding the Fourth Proportional to 403,884.20, 605,826.30 and 364,518.20

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Solution

The fourth proportional to 403,884.20, 605,826.30 and 364,518.20 is: 546,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,884.20 : 605,826.30 = 364,518.20 : x
  2. Step 2: Convert to fraction form
    403,884.20/605,826.30 = 364,518.20/x
  3. Step 3: Cross multiply
    403,884.20x = 605,826.30 × 364,518.20
  4. Step 4: Simplify right side
    403,884.20x = 220,834,712,388.66
  5. Step 5: Solve for x
    x = 220,834,712,388.66/403,884.20
  6. Step 6: Final answer
    x = 546,777.30

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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.