Home / 1,266,183.76-1,747,332.78-693,223.78

Finding the Fourth Proportional to 1,266,183.76, 1,747,332.78 and 693,223.78

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Solution

The fourth proportional to 1,266,183.76, 1,747,332.78 and 693,223.78 is: 956,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,183.76 : 1,747,332.78 = 693,223.78 : x
  2. Step 2: Convert to fraction form
    1,266,183.76/1,747,332.78 = 693,223.78/x
  3. Step 3: Cross multiply
    1,266,183.76x = 1,747,332.78 × 693,223.78
  4. Step 4: Simplify right side
    1,266,183.76x = 1,211,292,634,669.51
  5. Step 5: Solve for x
    x = 1,211,292,634,669.51/1,266,183.76
  6. Step 6: Final answer
    x = 956,648.37

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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.