Home / 948,768.66-1,309,728.29-605,065.82

Finding the Fourth Proportional to 948,768.66, 1,309,728.29 and 605,065.82

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Solution

The fourth proportional to 948,768.66, 1,309,728.29 and 605,065.82 is: 835,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,768.66 : 1,309,728.29 = 605,065.82 : x
  2. Step 2: Convert to fraction form
    948,768.66/1,309,728.29 = 605,065.82/x
  3. Step 3: Cross multiply
    948,768.66x = 1,309,728.29 × 605,065.82
  4. Step 4: Simplify right side
    948,768.66x = 792,471,812,192.08
  5. Step 5: Solve for x
    x = 792,471,812,192.08/948,768.66
  6. Step 6: Final answer
    x = 835,263.48

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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.