Home / 779,191.18-1,167,900.89-329,631.46

Finding the Fourth Proportional to 779,191.18, 1,167,900.89 and 329,631.46

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Solution

The fourth proportional to 779,191.18, 1,167,900.89 and 329,631.46 is: 494,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,191.18 : 1,167,900.89 = 329,631.46 : x
  2. Step 2: Convert to fraction form
    779,191.18/1,167,900.89 = 329,631.46/x
  3. Step 3: Cross multiply
    779,191.18x = 1,167,900.89 × 329,631.46
  4. Step 4: Simplify right side
    779,191.18x = 384,976,875,506.00
  5. Step 5: Solve for x
    x = 384,976,875,506.00/779,191.18
  6. Step 6: Final answer
    x = 494,072.42

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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.