Home / 986,774.68-1,473,021.77-867,203.56

Finding the Fourth Proportional to 986,774.68, 1,473,021.77 and 867,203.56

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Solution

The fourth proportional to 986,774.68, 1,473,021.77 and 867,203.56 is: 1,294,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,774.68 : 1,473,021.77 = 867,203.56 : x
  2. Step 2: Convert to fraction form
    986,774.68/1,473,021.77 = 867,203.56/x
  3. Step 3: Cross multiply
    986,774.68x = 1,473,021.77 × 867,203.56
  4. Step 4: Simplify right side
    986,774.68x = 1,277,409,722,901.50
  5. Step 5: Solve for x
    x = 1,277,409,722,901.50/986,774.68
  6. Step 6: Final answer
    x = 1,294,530.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.