Home / 465,583.08-642,456.77-261,601.59

Finding the Fourth Proportional to 465,583.08, 642,456.77 and 261,601.59

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Solution

The fourth proportional to 465,583.08, 642,456.77 and 261,601.59 is: 360,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,583.08 : 642,456.77 = 261,601.59 : x
  2. Step 2: Convert to fraction form
    465,583.08/642,456.77 = 261,601.59/x
  3. Step 3: Cross multiply
    465,583.08x = 642,456.77 × 261,601.59
  4. Step 4: Simplify right side
    465,583.08x = 168,067,712,538.26
  5. Step 5: Solve for x
    x = 168,067,712,538.26/465,583.08
  6. Step 6: Final answer
    x = 360,983.29

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1.5x scale

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.