Home / 336,419.60-504,629.40-212,003.60

Finding the Fourth Proportional to 336,419.60, 504,629.40 and 212,003.60

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Solution

The fourth proportional to 336,419.60, 504,629.40 and 212,003.60 is: 318,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,419.60 : 504,629.40 = 212,003.60 : x
  2. Step 2: Convert to fraction form
    336,419.60/504,629.40 = 212,003.60/x
  3. Step 3: Cross multiply
    336,419.60x = 504,629.40 × 212,003.60
  4. Step 4: Simplify right side
    336,419.60x = 106,983,249,465.84
  5. Step 5: Solve for x
    x = 106,983,249,465.84/336,419.60
  6. Step 6: Final answer
    x = 318,005.40

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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.