Home / 403,912.60-607,181.10-346,175.80

Finding the Fourth Proportional to 403,912.60, 607,181.10 and 346,175.80

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Solution

The fourth proportional to 403,912.60, 607,181.10 and 346,175.80 is: 520,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,912.60 : 607,181.10 = 346,175.80 : x
  2. Step 2: Convert to fraction form
    403,912.60/607,181.10 = 346,175.80/x
  3. Step 3: Cross multiply
    403,912.60x = 607,181.10 × 346,175.80
  4. Step 4: Simplify right side
    403,912.60x = 210,191,403,037.38
  5. Step 5: Solve for x
    x = 210,191,403,037.38/403,912.60
  6. Step 6: Final answer
    x = 520,388.33

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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.