Home / 1,014,138.80-1,399,456.05-555,164.60

Finding the Fourth Proportional to 1,014,138.80, 1,399,456.05 and 555,164.60

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Solution

The fourth proportional to 1,014,138.80, 1,399,456.05 and 555,164.60 is: 766,096.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,138.80 : 1,399,456.05 = 555,164.60 : x
  2. Step 2: Convert to fraction form
    1,014,138.80/1,399,456.05 = 555,164.60/x
  3. Step 3: Cross multiply
    1,014,138.80x = 1,399,456.05 × 555,164.60
  4. Step 4: Simplify right side
    1,014,138.80x = 776,928,458,215.83
  5. Step 5: Solve for x
    x = 776,928,458,215.83/1,014,138.80
  6. Step 6: Final answer
    x = 766,096.77

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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.