Home / 1,696,761.90-2,545,010.55-986,336.82

Finding the Fourth Proportional to 1,696,761.90, 2,545,010.55 and 986,336.82

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Solution

The fourth proportional to 1,696,761.90, 2,545,010.55 and 986,336.82 is: 1,479,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,761.90 : 2,545,010.55 = 986,336.82 : x
  2. Step 2: Convert to fraction form
    1,696,761.90/2,545,010.55 = 986,336.82/x
  3. Step 3: Cross multiply
    1,696,761.90x = 2,545,010.55 × 986,336.82
  4. Step 4: Simplify right side
    1,696,761.90x = 2,510,237,612,753.45
  5. Step 5: Solve for x
    x = 2,510,237,612,753.45/1,696,761.90
  6. Step 6: Final answer
    x = 1,479,428.32

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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.