Home / 923,719.64-1,274,620.62-515,844.14

Finding the Fourth Proportional to 923,719.64, 1,274,620.62 and 515,844.14

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Solution

The fourth proportional to 923,719.64, 1,274,620.62 and 515,844.14 is: 711,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,719.64 : 1,274,620.62 = 515,844.14 : x
  2. Step 2: Convert to fraction form
    923,719.64/1,274,620.62 = 515,844.14/x
  3. Step 3: Cross multiply
    923,719.64x = 1,274,620.62 × 515,844.14
  4. Step 4: Simplify right side
    923,719.64x = 657,505,577,550.17
  5. Step 5: Solve for x
    x = 657,505,577,550.17/923,719.64
  6. Step 6: Final answer
    x = 711,802.10

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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.