Home / 1,138,056.22-1,570,534.14-628,770.34

Finding the Fourth Proportional to 1,138,056.22, 1,570,534.14 and 628,770.34

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Solution

The fourth proportional to 1,138,056.22, 1,570,534.14 and 628,770.34 is: 867,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,056.22 : 1,570,534.14 = 628,770.34 : x
  2. Step 2: Convert to fraction form
    1,138,056.22/1,570,534.14 = 628,770.34/x
  3. Step 3: Cross multiply
    1,138,056.22x = 1,570,534.14 × 628,770.34
  4. Step 4: Simplify right side
    1,138,056.22x = 987,505,285,189.41
  5. Step 5: Solve for x
    x = 987,505,285,189.41/1,138,056.22
  6. Step 6: Final answer
    x = 867,712.22

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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.