Home / 807,935.06-1,211,530.11-239,112.76

Finding the Fourth Proportional to 807,935.06, 1,211,530.11 and 239,112.76

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Solution

The fourth proportional to 807,935.06, 1,211,530.11 and 239,112.76 is: 358,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,935.06 : 1,211,530.11 = 239,112.76 : x
  2. Step 2: Convert to fraction form
    807,935.06/1,211,530.11 = 239,112.76/x
  3. Step 3: Cross multiply
    807,935.06x = 1,211,530.11 × 239,112.76
  4. Step 4: Simplify right side
    807,935.06x = 289,692,308,116.33
  5. Step 5: Solve for x
    x = 289,692,308,116.33/807,935.06
  6. Step 6: Final answer
    x = 358,558.90

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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.