Home / 639,053.26-881,896.34-352,581.77

Finding the Fourth Proportional to 639,053.26, 881,896.34 and 352,581.77

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Solution

The fourth proportional to 639,053.26, 881,896.34 and 352,581.77 is: 486,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,053.26 : 881,896.34 = 352,581.77 : x
  2. Step 2: Convert to fraction form
    639,053.26/881,896.34 = 352,581.77/x
  3. Step 3: Cross multiply
    639,053.26x = 881,896.34 × 352,581.77
  4. Step 4: Simplify right side
    639,053.26x = 310,940,572,513.72
  5. Step 5: Solve for x
    x = 310,940,572,513.72/639,053.26
  6. Step 6: Final answer
    x = 486,564.41

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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.