Home / 1,259,180.15-1,737,617.91-686,208.02

Finding the Fourth Proportional to 1,259,180.15, 1,737,617.91 and 686,208.02

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Solution

The fourth proportional to 1,259,180.15, 1,737,617.91 and 686,208.02 is: 946,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,180.15 : 1,737,617.91 = 686,208.02 : x
  2. Step 2: Convert to fraction form
    1,259,180.15/1,737,617.91 = 686,208.02/x
  3. Step 3: Cross multiply
    1,259,180.15x = 1,737,617.91 × 686,208.02
  4. Step 4: Simplify right side
    1,259,180.15x = 1,192,367,334,276.27
  5. Step 5: Solve for x
    x = 1,192,367,334,276.27/1,259,180.15
  6. Step 6: Final answer
    x = 946,939.43

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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.