Home / 703,911.35-1,056,020.72-254,585.31

Finding the Fourth Proportional to 703,911.35, 1,056,020.72 and 254,585.31

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Solution

The fourth proportional to 703,911.35, 1,056,020.72 and 254,585.31 is: 381,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,911.35 : 1,056,020.72 = 254,585.31 : x
  2. Step 2: Convert to fraction form
    703,911.35/1,056,020.72 = 254,585.31/x
  3. Step 3: Cross multiply
    703,911.35x = 1,056,020.72 × 254,585.31
  4. Step 4: Simplify right side
    703,911.35x = 268,847,361,094.70
  5. Step 5: Solve for x
    x = 268,847,361,094.70/703,911.35
  6. Step 6: Final answer
    x = 381,933.55

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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.