Home / 711,618.52-981,694.26-439,588.48

Finding the Fourth Proportional to 711,618.52, 981,694.26 and 439,588.48

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Solution

The fourth proportional to 711,618.52, 981,694.26 and 439,588.48 is: 606,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,618.52 : 981,694.26 = 439,588.48 : x
  2. Step 2: Convert to fraction form
    711,618.52/981,694.26 = 439,588.48/x
  3. Step 3: Cross multiply
    711,618.52x = 981,694.26 × 439,588.48
  4. Step 4: Simplify right side
    711,618.52x = 431,541,487,578.13
  5. Step 5: Solve for x
    x = 431,541,487,578.13/711,618.52
  6. Step 6: Final answer
    x = 606,422.51

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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.