Home / 1,266,469.61-1,747,728.81-693,509.79

Finding the Fourth Proportional to 1,266,469.61, 1,747,728.81 and 693,509.79

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Solution

The fourth proportional to 1,266,469.61, 1,747,728.81 and 693,509.79 is: 957,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,469.61 : 1,747,728.81 = 693,509.79 : x
  2. Step 2: Convert to fraction form
    1,266,469.61/1,747,728.81 = 693,509.79/x
  3. Step 3: Cross multiply
    1,266,469.61x = 1,747,728.81 × 693,509.79
  4. Step 4: Simplify right side
    1,266,469.61x = 1,212,067,036,532.50
  5. Step 5: Solve for x
    x = 1,212,067,036,532.50/1,266,469.61
  6. Step 6: Final answer
    x = 957,043.92

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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.