Home / 1,285,054.57-1,927,677.44-386,424.37

Finding the Fourth Proportional to 1,285,054.57, 1,927,677.44 and 386,424.37

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Solution

The fourth proportional to 1,285,054.57, 1,927,677.44 and 386,424.37 is: 579,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,054.57 : 1,927,677.44 = 386,424.37 : x
  2. Step 2: Convert to fraction form
    1,285,054.57/1,927,677.44 = 386,424.37/x
  3. Step 3: Cross multiply
    1,285,054.57x = 1,927,677.44 × 386,424.37
  4. Step 4: Simplify right side
    1,285,054.57x = 744,901,540,315.21
  5. Step 5: Solve for x
    x = 744,901,540,315.21/1,285,054.57
  6. Step 6: Final answer
    x = 579,665.30

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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.