Home / 1,259,181.28-1,737,619.68-686,209.24

Finding the Fourth Proportional to 1,259,181.28, 1,737,619.68 and 686,209.24

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Solution

The fourth proportional to 1,259,181.28, 1,737,619.68 and 686,209.24 is: 946,941.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,181.28 : 1,737,619.68 = 686,209.24 : x
  2. Step 2: Convert to fraction form
    1,259,181.28/1,737,619.68 = 686,209.24/x
  3. Step 3: Cross multiply
    1,259,181.28x = 1,737,619.68 × 686,209.24
  4. Step 4: Simplify right side
    1,259,181.28x = 1,192,370,680,021.84
  5. Step 5: Solve for x
    x = 1,192,370,680,021.84/1,259,181.28
  6. Step 6: Final answer
    x = 946,941.24

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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.