Home / 1,266,449.04-1,747,634.54-693,378.36

Finding the Fourth Proportional to 1,266,449.04, 1,747,634.54 and 693,378.36

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Solution

The fourth proportional to 1,266,449.04, 1,747,634.54 and 693,378.36 is: 956,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,449.04 : 1,747,634.54 = 693,378.36 : x
  2. Step 2: Convert to fraction form
    1,266,449.04/1,747,634.54 = 693,378.36/x
  3. Step 3: Cross multiply
    1,266,449.04x = 1,747,634.54 × 693,378.36
  4. Step 4: Simplify right side
    1,266,449.04x = 1,211,771,967,757.66
  5. Step 5: Solve for x
    x = 1,211,771,967,757.66/1,266,449.04
  6. Step 6: Final answer
    x = 956,826.47

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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.