Home / 1,228,740.98-1,695,456.97-684,757.94

Finding the Fourth Proportional to 1,228,740.98, 1,695,456.97 and 684,757.94

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Solution

The fourth proportional to 1,228,740.98, 1,695,456.97 and 684,757.94 is: 944,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,740.98 : 1,695,456.97 = 684,757.94 : x
  2. Step 2: Convert to fraction form
    1,228,740.98/1,695,456.97 = 684,757.94/x
  3. Step 3: Cross multiply
    1,228,740.98x = 1,695,456.97 × 684,757.94
  4. Step 4: Simplify right side
    1,228,740.98x = 1,160,977,611,946.66
  5. Step 5: Solve for x
    x = 1,160,977,611,946.66/1,228,740.98
  6. Step 6: Final answer
    x = 944,851.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.