Home / 668,767.41-1,001,822.49-368,503.25

Finding the Fourth Proportional to 668,767.41, 1,001,822.49 and 368,503.25

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Solution

The fourth proportional to 668,767.41, 1,001,822.49 and 368,503.25 is: 552,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,767.41 : 1,001,822.49 = 368,503.25 : x
  2. Step 2: Convert to fraction form
    668,767.41/1,001,822.49 = 368,503.25/x
  3. Step 3: Cross multiply
    668,767.41x = 1,001,822.49 × 368,503.25
  4. Step 4: Simplify right side
    668,767.41x = 369,174,843,488.09
  5. Step 5: Solve for x
    x = 369,174,843,488.09/668,767.41
  6. Step 6: Final answer
    x = 552,022.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.