Home / 1,259,181.15-1,737,619.29-686,209.02

Finding the Fourth Proportional to 1,259,181.15, 1,737,619.29 and 686,209.02

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Solution

The fourth proportional to 1,259,181.15, 1,737,619.29 and 686,209.02 is: 946,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,181.15 : 1,737,619.29 = 686,209.02 : x
  2. Step 2: Convert to fraction form
    1,259,181.15/1,737,619.29 = 686,209.02/x
  3. Step 3: Cross multiply
    1,259,181.15x = 1,737,619.29 × 686,209.02
  4. Step 4: Simplify right side
    1,259,181.15x = 1,192,370,030,124.00
  5. Step 5: Solve for x
    x = 1,192,370,030,124.00/1,259,181.15
  6. Step 6: Final answer
    x = 946,940.82

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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.