Home / 825,233.16-1,138,824.66-519,511.83

Finding the Fourth Proportional to 825,233.16, 1,138,824.66 and 519,511.83

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Solution

The fourth proportional to 825,233.16, 1,138,824.66 and 519,511.83 is: 716,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,233.16 : 1,138,824.66 = 519,511.83 : x
  2. Step 2: Convert to fraction form
    825,233.16/1,138,824.66 = 519,511.83/x
  3. Step 3: Cross multiply
    825,233.16x = 1,138,824.66 × 519,511.83
  4. Step 4: Simplify right side
    825,233.16x = 591,632,880,843.31
  5. Step 5: Solve for x
    x = 591,632,880,843.31/825,233.16
  6. Step 6: Final answer
    x = 716,928.14

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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.