Home / 592,116.57-817,120.26-320,183.78

Finding the Fourth Proportional to 592,116.57, 817,120.26 and 320,183.78

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Solution

The fourth proportional to 592,116.57, 817,120.26 and 320,183.78 is: 441,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,116.57 : 817,120.26 = 320,183.78 : x
  2. Step 2: Convert to fraction form
    592,116.57/817,120.26 = 320,183.78/x
  3. Step 3: Cross multiply
    592,116.57x = 817,120.26 × 320,183.78
  4. Step 4: Simplify right side
    592,116.57x = 261,628,649,475.78
  5. Step 5: Solve for x
    x = 261,628,649,475.78/592,116.57
  6. Step 6: Final answer
    x = 441,853.28

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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.