Home / 867,913.32-1,197,822.72-485,866.26

Finding the Fourth Proportional to 867,913.32, 1,197,822.72 and 485,866.26

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Solution

The fourth proportional to 867,913.32, 1,197,822.72 and 485,866.26 is: 670,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,913.32 : 1,197,822.72 = 485,866.26 : x
  2. Step 2: Convert to fraction form
    867,913.32/1,197,822.72 = 485,866.26/x
  3. Step 3: Cross multiply
    867,913.32x = 1,197,822.72 × 485,866.26
  4. Step 4: Simplify right side
    867,913.32x = 581,981,645,109.43
  5. Step 5: Solve for x
    x = 581,981,645,109.43/867,913.32
  6. Step 6: Final answer
    x = 670,552.73

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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.