Home / 1,206,507.79-1,664,795.73-697,111.75

Finding the Fourth Proportional to 1,206,507.79, 1,664,795.73 and 697,111.75

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Solution

The fourth proportional to 1,206,507.79, 1,664,795.73 and 697,111.75 is: 961,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,507.79 : 1,664,795.73 = 697,111.75 : x
  2. Step 2: Convert to fraction form
    1,206,507.79/1,664,795.73 = 697,111.75/x
  3. Step 3: Cross multiply
    1,206,507.79x = 1,664,795.73 × 697,111.75
  4. Step 4: Simplify right side
    1,206,507.79x = 1,160,548,664,732.83
  5. Step 5: Solve for x
    x = 1,160,548,664,732.83/1,206,507.79
  6. Step 6: Final answer
    x = 961,907.31

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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.