Home / 1,029,005.82-1,544,035.23-489,871.44

Finding the Fourth Proportional to 1,029,005.82, 1,544,035.23 and 489,871.44

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Solution

The fourth proportional to 1,029,005.82, 1,544,035.23 and 489,871.44 is: 735,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,005.82 : 1,544,035.23 = 489,871.44 : x
  2. Step 2: Convert to fraction form
    1,029,005.82/1,544,035.23 = 489,871.44/x
  3. Step 3: Cross multiply
    1,029,005.82x = 1,544,035.23 × 489,871.44
  4. Step 4: Simplify right side
    1,029,005.82x = 756,378,761,530.83
  5. Step 5: Solve for x
    x = 756,378,761,530.83/1,029,005.82
  6. Step 6: Final answer
    x = 735,057.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.