Home / 711,045.88-1,066,463.94-261,662.36

Finding the Fourth Proportional to 711,045.88, 1,066,463.94 and 261,662.36

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Solution

The fourth proportional to 711,045.88, 1,066,463.94 and 261,662.36 is: 392,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,045.88 : 1,066,463.94 = 261,662.36 : x
  2. Step 2: Convert to fraction form
    711,045.88/1,066,463.94 = 261,662.36/x
  3. Step 3: Cross multiply
    711,045.88x = 1,066,463.94 × 261,662.36
  4. Step 4: Simplify right side
    711,045.88x = 279,053,471,395.30
  5. Step 5: Solve for x
    x = 279,053,471,395.30/711,045.88
  6. Step 6: Final answer
    x = 392,454.94

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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.