Home / 726,237.29-1,002,183.41-403,938.29

Finding the Fourth Proportional to 726,237.29, 1,002,183.41 and 403,938.29

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Solution

The fourth proportional to 726,237.29, 1,002,183.41 and 403,938.29 is: 557,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,237.29 : 1,002,183.41 = 403,938.29 : x
  2. Step 2: Convert to fraction form
    726,237.29/1,002,183.41 = 403,938.29/x
  3. Step 3: Cross multiply
    726,237.29x = 1,002,183.41 × 403,938.29
  4. Step 4: Simplify right side
    726,237.29x = 404,820,252,901.77
  5. Step 5: Solve for x
    x = 404,820,252,901.77/726,237.29
  6. Step 6: Final answer
    x = 557,421.46

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1.5x scale

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.