Home / 377,651.95-521,170.61-205,581.07

Finding the Fourth Proportional to 377,651.95, 521,170.61 and 205,581.07

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Solution

The fourth proportional to 377,651.95, 521,170.61 and 205,581.07 is: 283,707.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,651.95 : 521,170.61 = 205,581.07 : x
  2. Step 2: Convert to fraction form
    377,651.95/521,170.61 = 205,581.07/x
  3. Step 3: Cross multiply
    377,651.95x = 521,170.61 × 205,581.07
  4. Step 4: Simplify right side
    377,651.95x = 107,142,811,656.35
  5. Step 5: Solve for x
    x = 107,142,811,656.35/377,651.95
  6. Step 6: Final answer
    x = 283,707.82

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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.