Home / 1,014,171.36-1,399,503.20-555,198

Finding the Fourth Proportional to 1,014,171.36, 1,399,503.20 and 555,198

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Solution

The fourth proportional to 1,014,171.36, 1,399,503.20 and 555,198 is: 766,144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,171.36 : 1,399,503.20 = 555,198 : x
  2. Step 2: Convert to fraction form
    1,014,171.36/1,399,503.20 = 555,198/x
  3. Step 3: Cross multiply
    1,014,171.36x = 1,399,503.20 × 555,198
  4. Step 4: Simplify right side
    1,014,171.36x = 777,001,377,633.60
  5. Step 5: Solve for x
    x = 777,001,377,633.60/1,014,171.36
  6. Step 6: Final answer
    x = 766,144.07

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Double scale
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Similar ratio
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1.5x scale

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.