Home / 1,266,405.47-1,747,658.88-693,498.95

Finding the Fourth Proportional to 1,266,405.47, 1,747,658.88 and 693,498.95

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Solution

The fourth proportional to 1,266,405.47, 1,747,658.88 and 693,498.95 is: 957,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,405.47 : 1,747,658.88 = 693,498.95 : x
  2. Step 2: Convert to fraction form
    1,266,405.47/1,747,658.88 = 693,498.95/x
  3. Step 3: Cross multiply
    1,266,405.47x = 1,747,658.88 × 693,498.95
  4. Step 4: Simplify right side
    1,266,405.47x = 1,211,999,589,499.88
  5. Step 5: Solve for x
    x = 1,211,999,589,499.88/1,266,405.47
  6. Step 6: Final answer
    x = 957,039.13

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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.