Home / 691,414.24-954,214.32-419,551.02

Finding the Fourth Proportional to 691,414.24, 954,214.32 and 419,551.02

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Solution

The fourth proportional to 691,414.24, 954,214.32 and 419,551.02 is: 579,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,414.24 : 954,214.32 = 419,551.02 : x
  2. Step 2: Convert to fraction form
    691,414.24/954,214.32 = 419,551.02/x
  3. Step 3: Cross multiply
    691,414.24x = 954,214.32 × 419,551.02
  4. Step 4: Simplify right side
    691,414.24x = 400,341,586,483.54
  5. Step 5: Solve for x
    x = 400,341,586,483.54/691,414.24
  6. Step 6: Final answer
    x = 579,018.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.