Home / 377,864.60-521,453.70-205,782.93

Finding the Fourth Proportional to 377,864.60, 521,453.70 and 205,782.93

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Solution

The fourth proportional to 377,864.60, 521,453.70 and 205,782.93 is: 283,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,864.60 : 521,453.70 = 205,782.93 : x
  2. Step 2: Convert to fraction form
    377,864.60/521,453.70 = 205,782.93/x
  3. Step 3: Cross multiply
    377,864.60x = 521,453.70 × 205,782.93
  4. Step 4: Simplify right side
    377,864.60x = 107,306,270,245.34
  5. Step 5: Solve for x
    x = 107,306,270,245.34/377,864.60
  6. Step 6: Final answer
    x = 283,980.75

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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.