Home / 1,391,339.52-2,086,907.20-444,456

Finding the Fourth Proportional to 1,391,339.52, 2,086,907.20 and 444,456

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Solution

The fourth proportional to 1,391,339.52, 2,086,907.20 and 444,456 is: 666,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,339.52 : 2,086,907.20 = 444,456 : x
  2. Step 2: Convert to fraction form
    1,391,339.52/2,086,907.20 = 444,456/x
  3. Step 3: Cross multiply
    1,391,339.52x = 2,086,907.20 × 444,456
  4. Step 4: Simplify right side
    1,391,339.52x = 927,538,426,483.20
  5. Step 5: Solve for x
    x = 927,538,426,483.20/1,391,339.52
  6. Step 6: Final answer
    x = 666,651.39

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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.