Home / 1,259,181.65-1,737,619.97-686,209.52

Finding the Fourth Proportional to 1,259,181.65, 1,737,619.97 and 686,209.52

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Solution

The fourth proportional to 1,259,181.65, 1,737,619.97 and 686,209.52 is: 946,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,181.65 : 1,737,619.97 = 686,209.52 : x
  2. Step 2: Convert to fraction form
    1,259,181.65/1,737,619.97 = 686,209.52/x
  3. Step 3: Cross multiply
    1,259,181.65x = 1,737,619.97 × 686,209.52
  4. Step 4: Simplify right side
    1,259,181.65x = 1,192,371,365,556.11
  5. Step 5: Solve for x
    x = 1,192,371,365,556.11/1,259,181.65
  6. Step 6: Final answer
    x = 946,941.50

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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.