Home / 703,356.32-1,055,207.36-204,724.64

Finding the Fourth Proportional to 703,356.32, 1,055,207.36 and 204,724.64

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Solution

The fourth proportional to 703,356.32, 1,055,207.36 and 204,724.64 is: 307,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,356.32 : 1,055,207.36 = 204,724.64 : x
  2. Step 2: Convert to fraction form
    703,356.32/1,055,207.36 = 204,724.64/x
  3. Step 3: Cross multiply
    703,356.32x = 1,055,207.36 × 204,724.64
  4. Step 4: Simplify right side
    703,356.32x = 216,026,946,901.35
  5. Step 5: Solve for x
    x = 216,026,946,901.35/703,356.32
  6. Step 6: Final answer
    x = 307,137.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.