Home / 1,259,180.65-1,737,618.60-686,208.52

Finding the Fourth Proportional to 1,259,180.65, 1,737,618.60 and 686,208.52

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Solution

The fourth proportional to 1,259,180.65, 1,737,618.60 and 686,208.52 is: 946,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,180.65 : 1,737,618.60 = 686,208.52 : x
  2. Step 2: Convert to fraction form
    1,259,180.65/1,737,618.60 = 686,208.52/x
  3. Step 3: Cross multiply
    1,259,180.65x = 1,737,618.60 × 686,208.52
  4. Step 4: Simplify right side
    1,259,180.65x = 1,192,368,675,711.34
  5. Step 5: Solve for x
    x = 1,192,368,675,711.34/1,259,180.65
  6. Step 6: Final answer
    x = 946,940.12

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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.