Home / 663,943.41-996,911.40-379,954.62

Finding the Fourth Proportional to 663,943.41, 996,911.40 and 379,954.62

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Solution

The fourth proportional to 663,943.41, 996,911.40 and 379,954.62 is: 570,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,943.41 : 996,911.40 = 379,954.62 : x
  2. Step 2: Convert to fraction form
    663,943.41/996,911.40 = 379,954.62/x
  3. Step 3: Cross multiply
    663,943.41x = 996,911.40 × 379,954.62
  4. Step 4: Simplify right side
    663,943.41x = 378,781,092,160.67
  5. Step 5: Solve for x
    x = 378,781,092,160.67/663,943.41
  6. Step 6: Final answer
    x = 570,502.07

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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.