Home / 905,974.98-1,356,005.34-666,025.36

Finding the Fourth Proportional to 905,974.98, 1,356,005.34 and 666,025.36

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Solution

The fourth proportional to 905,974.98, 1,356,005.34 and 666,025.36 is: 996,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,974.98 : 1,356,005.34 = 666,025.36 : x
  2. Step 2: Convert to fraction form
    905,974.98/1,356,005.34 = 666,025.36/x
  3. Step 3: Cross multiply
    905,974.98x = 1,356,005.34 × 666,025.36
  4. Step 4: Simplify right side
    905,974.98x = 903,133,944,735.42
  5. Step 5: Solve for x
    x = 903,133,944,735.42/905,974.98
  6. Step 6: Final answer
    x = 996,864.11

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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.