Home / 1,266,222.36-1,747,317.65-693,151.68

Finding the Fourth Proportional to 1,266,222.36, 1,747,317.65 and 693,151.68

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Solution

The fourth proportional to 1,266,222.36, 1,747,317.65 and 693,151.68 is: 956,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,222.36 : 1,747,317.65 = 693,151.68 : x
  2. Step 2: Convert to fraction form
    1,266,222.36/1,747,317.65 = 693,151.68/x
  3. Step 3: Cross multiply
    1,266,222.36x = 1,747,317.65 × 693,151.68
  4. Step 4: Simplify right side
    1,266,222.36x = 1,211,156,161,125.39
  5. Step 5: Solve for x
    x = 1,211,156,161,125.39/1,266,222.36
  6. Step 6: Final answer
    x = 956,511.43

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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.