Home / 773,938.09-1,160,958.32-205,311.21

Finding the Fourth Proportional to 773,938.09, 1,160,958.32 and 205,311.21

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Solution

The fourth proportional to 773,938.09, 1,160,958.32 and 205,311.21 is: 307,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,938.09 : 1,160,958.32 = 205,311.21 : x
  2. Step 2: Convert to fraction form
    773,938.09/1,160,958.32 = 205,311.21/x
  3. Step 3: Cross multiply
    773,938.09x = 1,160,958.32 × 205,311.21
  4. Step 4: Simplify right side
    773,938.09x = 238,357,752,828.54
  5. Step 5: Solve for x
    x = 238,357,752,828.54/773,938.09
  6. Step 6: Final answer
    x = 307,980.39

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1.5x scale

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.