Home / 644,908.03-887,940.23-585,120.92

Finding the Fourth Proportional to 644,908.03, 887,940.23 and 585,120.92

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Solution

The fourth proportional to 644,908.03, 887,940.23 and 585,120.92 is: 805,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,908.03 : 887,940.23 = 585,120.92 : x
  2. Step 2: Convert to fraction form
    644,908.03/887,940.23 = 585,120.92/x
  3. Step 3: Cross multiply
    644,908.03x = 887,940.23 × 585,120.92
  4. Step 4: Simplify right side
    644,908.03x = 519,552,396,917.31
  5. Step 5: Solve for x
    x = 519,552,396,917.31/644,908.03
  6. Step 6: Final answer
    x = 805,622.47

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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.