Home / 1,182,029.37-1,631,279.93-658,821.39

Finding the Fourth Proportional to 1,182,029.37, 1,631,279.93 and 658,821.39

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Solution

The fourth proportional to 1,182,029.37, 1,631,279.93 and 658,821.39 is: 909,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,029.37 : 1,631,279.93 = 658,821.39 : x
  2. Step 2: Convert to fraction form
    1,182,029.37/1,631,279.93 = 658,821.39/x
  3. Step 3: Cross multiply
    1,182,029.37x = 1,631,279.93 × 658,821.39
  4. Step 4: Simplify right side
    1,182,029.37x = 1,074,722,107,667.60
  5. Step 5: Solve for x
    x = 1,074,722,107,667.60/1,182,029.37
  6. Step 6: Final answer
    x = 909,217.77

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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.