Home / 377,190.37-520,522.86-207,424.45

Finding the Fourth Proportional to 377,190.37, 520,522.86 and 207,424.45

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Solution

The fourth proportional to 377,190.37, 520,522.86 and 207,424.45 is: 286,245.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,190.37 : 520,522.86 = 207,424.45 : x
  2. Step 2: Convert to fraction form
    377,190.37/520,522.86 = 207,424.45/x
  3. Step 3: Cross multiply
    377,190.37x = 520,522.86 × 207,424.45
  4. Step 4: Simplify right side
    377,190.37x = 107,969,167,947.93
  5. Step 5: Solve for x
    x = 107,969,167,947.93/377,190.37
  6. Step 6: Final answer
    x = 286,245.82

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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.