Home / 397,875.12-596,818.96-221,503.14

Finding the Fourth Proportional to 397,875.12, 596,818.96 and 221,503.14

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Solution

The fourth proportional to 397,875.12, 596,818.96 and 221,503.14 is: 332,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,875.12 : 596,818.96 = 221,503.14 : x
  2. Step 2: Convert to fraction form
    397,875.12/596,818.96 = 221,503.14/x
  3. Step 3: Cross multiply
    397,875.12x = 596,818.96 × 221,503.14
  4. Step 4: Simplify right side
    397,875.12x = 132,197,273,651.53
  5. Step 5: Solve for x
    x = 132,197,273,651.53/397,875.12
  6. Step 6: Final answer
    x = 332,258.21

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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.