Home / 703,543.32-1,055,303.79-223,764.20

Finding the Fourth Proportional to 703,543.32, 1,055,303.79 and 223,764.20

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Solution

The fourth proportional to 703,543.32, 1,055,303.79 and 223,764.20 is: 335,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,543.32 : 1,055,303.79 = 223,764.20 : x
  2. Step 2: Convert to fraction form
    703,543.32/1,055,303.79 = 223,764.20/x
  3. Step 3: Cross multiply
    703,543.32x = 1,055,303.79 × 223,764.20
  4. Step 4: Simplify right side
    703,543.32x = 236,139,203,049.80
  5. Step 5: Solve for x
    x = 236,139,203,049.80/703,543.32
  6. Step 6: Final answer
    x = 335,642.73

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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.