Home / 401,787.15-554,324.54-246,685.11

Finding the Fourth Proportional to 401,787.15, 554,324.54 and 246,685.11

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Solution

The fourth proportional to 401,787.15, 554,324.54 and 246,685.11 is: 340,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,787.15 : 554,324.54 = 246,685.11 : x
  2. Step 2: Convert to fraction form
    401,787.15/554,324.54 = 246,685.11/x
  3. Step 3: Cross multiply
    401,787.15x = 554,324.54 × 246,685.11
  4. Step 4: Simplify right side
    401,787.15x = 136,743,610,125.60
  5. Step 5: Solve for x
    x = 136,743,610,125.60/401,787.15
  6. Step 6: Final answer
    x = 340,338.44

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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.