Home / 1,242,503.19-1,714,795.56-691,273.44

Finding the Fourth Proportional to 1,242,503.19, 1,714,795.56 and 691,273.44

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Solution

The fourth proportional to 1,242,503.19, 1,714,795.56 and 691,273.44 is: 954,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,503.19 : 1,714,795.56 = 691,273.44 : x
  2. Step 2: Convert to fraction form
    1,242,503.19/1,714,795.56 = 691,273.44/x
  3. Step 3: Cross multiply
    1,242,503.19x = 1,714,795.56 × 691,273.44
  4. Step 4: Simplify right side
    1,242,503.19x = 1,185,392,625,657.93
  5. Step 5: Solve for x
    x = 1,185,392,625,657.93/1,242,503.19
  6. Step 6: Final answer
    x = 954,035.88

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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.