Home / 1,391,342.02-2,086,910.95-444,458.50

Finding the Fourth Proportional to 1,391,342.02, 2,086,910.95 and 444,458.50

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Solution

The fourth proportional to 1,391,342.02, 2,086,910.95 and 444,458.50 is: 666,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,342.02 : 2,086,910.95 = 444,458.50 : x
  2. Step 2: Convert to fraction form
    1,391,342.02/2,086,910.95 = 444,458.50/x
  3. Step 3: Cross multiply
    1,391,342.02x = 2,086,910.95 × 444,458.50
  4. Step 4: Simplify right side
    1,391,342.02x = 927,545,310,470.58
  5. Step 5: Solve for x
    x = 927,545,310,470.58/1,391,342.02
  6. Step 6: Final answer
    x = 666,655.14

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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.