Home / 1,259,165.77-1,737,598.17-686,193.64

Finding the Fourth Proportional to 1,259,165.77, 1,737,598.17 and 686,193.64

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Solution

The fourth proportional to 1,259,165.77, 1,737,598.17 and 686,193.64 is: 946,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,165.77 : 1,737,598.17 = 686,193.64 : x
  2. Step 2: Convert to fraction form
    1,259,165.77/1,737,598.17 = 686,193.64/x
  3. Step 3: Cross multiply
    1,259,165.77x = 1,737,598.17 × 686,193.64
  4. Step 4: Simplify right side
    1,259,165.77x = 1,192,328,813,129.64
  5. Step 5: Solve for x
    x = 1,192,328,813,129.64/1,259,165.77
  6. Step 6: Final answer
    x = 946,919.65

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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.