Home / 331,945.11-498,114.54-310,929.42

Finding the Fourth Proportional to 331,945.11, 498,114.54 and 310,929.42

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Solution

The fourth proportional to 331,945.11, 498,114.54 and 310,929.42 is: 466,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,945.11 : 498,114.54 = 310,929.42 : x
  2. Step 2: Convert to fraction form
    331,945.11/498,114.54 = 310,929.42/x
  3. Step 3: Cross multiply
    331,945.11x = 498,114.54 × 310,929.42
  4. Step 4: Simplify right side
    331,945.11x = 154,878,465,015.77
  5. Step 5: Solve for x
    x = 154,878,465,015.77/331,945.11
  6. Step 6: Final answer
    x = 466,578.54

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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.