Home / 1,679,780.14-2,519,679.46-417,607.77

Finding the Fourth Proportional to 1,679,780.14, 2,519,679.46 and 417,607.77

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Solution

The fourth proportional to 1,679,780.14, 2,519,679.46 and 417,607.77 is: 626,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,780.14 : 2,519,679.46 = 417,607.77 : x
  2. Step 2: Convert to fraction form
    1,679,780.14/2,519,679.46 = 417,607.77/x
  3. Step 3: Cross multiply
    1,679,780.14x = 2,519,679.46 × 417,607.77
  4. Step 4: Simplify right side
    1,679,780.14x = 1,052,237,720,405.40
  5. Step 5: Solve for x
    x = 1,052,237,720,405.40/1,679,780.14
  6. Step 6: Final answer
    x = 626,413.95

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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.