Home / 955,496.05-1,319,128.41-633,640.66

Finding the Fourth Proportional to 955,496.05, 1,319,128.41 and 633,640.66

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Solution

The fourth proportional to 955,496.05, 1,319,128.41 and 633,640.66 is: 874,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,496.05 : 1,319,128.41 = 633,640.66 : x
  2. Step 2: Convert to fraction form
    955,496.05/1,319,128.41 = 633,640.66/x
  3. Step 3: Cross multiply
    955,496.05x = 1,319,128.41 × 633,640.66
  4. Step 4: Simplify right side
    955,496.05x = 835,853,396,337.15
  5. Step 5: Solve for x
    x = 835,853,396,337.15/955,496.05
  6. Step 6: Final answer
    x = 874,784.77

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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.