Home / 777,848.80-1,166,773.20-186,872.80

Finding the Fourth Proportional to 777,848.80, 1,166,773.20 and 186,872.80

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Solution

The fourth proportional to 777,848.80, 1,166,773.20 and 186,872.80 is: 280,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,848.80 : 1,166,773.20 = 186,872.80 : x
  2. Step 2: Convert to fraction form
    777,848.80/1,166,773.20 = 186,872.80/x
  3. Step 3: Cross multiply
    777,848.80x = 1,166,773.20 × 186,872.80
  4. Step 4: Simplify right side
    777,848.80x = 218,038,174,848.96
  5. Step 5: Solve for x
    x = 218,038,174,848.96/777,848.80
  6. Step 6: Final answer
    x = 280,309.20

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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.