Home / 873,864.27-1,205,933-511,357.82

Finding the Fourth Proportional to 873,864.27, 1,205,933 and 511,357.82

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Solution

The fourth proportional to 873,864.27, 1,205,933 and 511,357.82 is: 705,673.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,864.27 : 1,205,933 = 511,357.82 : x
  2. Step 2: Convert to fraction form
    873,864.27/1,205,933 = 511,357.82/x
  3. Step 3: Cross multiply
    873,864.27x = 1,205,933 × 511,357.82
  4. Step 4: Simplify right side
    873,864.27x = 616,663,269,946.06
  5. Step 5: Solve for x
    x = 616,663,269,946.06/873,864.27
  6. Step 6: Final answer
    x = 705,673.97

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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.