Home / 726,796.06-1,088,994.38-422,335.51

Finding the Fourth Proportional to 726,796.06, 1,088,994.38 and 422,335.51

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Solution

The fourth proportional to 726,796.06, 1,088,994.38 and 422,335.51 is: 632,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,796.06 : 1,088,994.38 = 422,335.51 : x
  2. Step 2: Convert to fraction form
    726,796.06/1,088,994.38 = 422,335.51/x
  3. Step 3: Cross multiply
    726,796.06x = 1,088,994.38 × 422,335.51
  4. Step 4: Simplify right side
    726,796.06x = 459,920,994,752.76
  5. Step 5: Solve for x
    x = 459,920,994,752.76/726,796.06
  6. Step 6: Final answer
    x = 632,806.12

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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.