Home / 766,728.15-1,058,089.11-444,629.43

Finding the Fourth Proportional to 766,728.15, 1,058,089.11 and 444,629.43

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Solution

The fourth proportional to 766,728.15, 1,058,089.11 and 444,629.43 is: 613,591.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,728.15 : 1,058,089.11 = 444,629.43 : x
  2. Step 2: Convert to fraction form
    766,728.15/1,058,089.11 = 444,629.43/x
  3. Step 3: Cross multiply
    766,728.15x = 1,058,089.11 × 444,629.43
  4. Step 4: Simplify right side
    766,728.15x = 470,457,557,868.51
  5. Step 5: Solve for x
    x = 470,457,557,868.51/766,728.15
  6. Step 6: Final answer
    x = 613,591.09

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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.