Home / 1,259,116.54-1,737,581.07-686,156.80

Finding the Fourth Proportional to 1,259,116.54, 1,737,581.07 and 686,156.80

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Solution

The fourth proportional to 1,259,116.54, 1,737,581.07 and 686,156.80 is: 946,896.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,116.54 : 1,737,581.07 = 686,156.80 : x
  2. Step 2: Convert to fraction form
    1,259,116.54/1,737,581.07 = 686,156.80/x
  3. Step 3: Cross multiply
    1,259,116.54x = 1,737,581.07 × 686,156.80
  4. Step 4: Simplify right side
    1,259,116.54x = 1,192,253,066,731.78
  5. Step 5: Solve for x
    x = 1,192,253,066,731.78/1,259,116.54
  6. Step 6: Final answer
    x = 946,896.52

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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.