Home / 1,639,566.96-2,456,056.80-816,425.72

Finding the Fourth Proportional to 1,639,566.96, 2,456,056.80 and 816,425.72

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Solution

The fourth proportional to 1,639,566.96, 2,456,056.80 and 816,425.72 is: 1,222,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,566.96 : 2,456,056.80 = 816,425.72 : x
  2. Step 2: Convert to fraction form
    1,639,566.96/2,456,056.80 = 816,425.72/x
  3. Step 3: Cross multiply
    1,639,566.96x = 2,456,056.80 × 816,425.72
  4. Step 4: Simplify right side
    1,639,566.96x = 2,005,187,937,218.77
  5. Step 5: Solve for x
    x = 2,005,187,937,218.77/1,639,566.96
  6. Step 6: Final answer
    x = 1,222,998.51

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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.