Home / 1,259,032.65-1,737,467.27-686,072.82

Finding the Fourth Proportional to 1,259,032.65, 1,737,467.27 and 686,072.82

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Solution

The fourth proportional to 1,259,032.65, 1,737,467.27 and 686,072.82 is: 946,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,032.65 : 1,737,467.27 = 686,072.82 : x
  2. Step 2: Convert to fraction form
    1,259,032.65/1,737,467.27 = 686,072.82/x
  3. Step 3: Cross multiply
    1,259,032.65x = 1,737,467.27 × 686,072.82
  4. Step 4: Simplify right side
    1,259,032.65x = 1,192,029,068,729.01
  5. Step 5: Solve for x
    x = 1,192,029,068,729.01/1,259,032.65
  6. Step 6: Final answer
    x = 946,781.70

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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.