Home / 1,259,181.36-1,737,619.59-686,209.23

Finding the Fourth Proportional to 1,259,181.36, 1,737,619.59 and 686,209.23

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Solution

The fourth proportional to 1,259,181.36, 1,737,619.59 and 686,209.23 is: 946,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,181.36 : 1,737,619.59 = 686,209.23 : x
  2. Step 2: Convert to fraction form
    1,259,181.36/1,737,619.59 = 686,209.23/x
  3. Step 3: Cross multiply
    1,259,181.36x = 1,737,619.59 × 686,209.23
  4. Step 4: Simplify right side
    1,259,181.36x = 1,192,370,600,886.82
  5. Step 5: Solve for x
    x = 1,192,370,600,886.82/1,259,181.36
  6. Step 6: Final answer
    x = 946,941.11

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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.