Home / 791,474.38-1,184,373.63-685,223.77

Finding the Fourth Proportional to 791,474.38, 1,184,373.63 and 685,223.77

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Solution

The fourth proportional to 791,474.38, 1,184,373.63 and 685,223.77 is: 1,025,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,474.38 : 1,184,373.63 = 685,223.77 : x
  2. Step 2: Convert to fraction form
    791,474.38/1,184,373.63 = 685,223.77/x
  3. Step 3: Cross multiply
    791,474.38x = 1,184,373.63 × 685,223.77
  4. Step 4: Simplify right side
    791,474.38x = 811,560,963,837.19
  5. Step 5: Solve for x
    x = 811,560,963,837.19/791,474.38
  6. Step 6: Final answer
    x = 1,025,378.69

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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.