Home / 482,886-723,718.44-422,767.22

Finding the Fourth Proportional to 482,886, 723,718.44 and 422,767.22

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Solution

The fourth proportional to 482,886, 723,718.44 and 422,767.22 is: 633,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,886 : 723,718.44 = 422,767.22 : x
  2. Step 2: Convert to fraction form
    482,886/723,718.44 = 422,767.22/x
  3. Step 3: Cross multiply
    482,886x = 723,718.44 × 422,767.22
  4. Step 4: Simplify right side
    482,886x = 305,964,429,322.95
  5. Step 5: Solve for x
    x = 305,964,429,322.95/482,886
  6. Step 6: Final answer
    x = 633,616.28

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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.