Home / 1,286,330.82-1,929,706.04-527,968.75

Finding the Fourth Proportional to 1,286,330.82, 1,929,706.04 and 527,968.75

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Solution

The fourth proportional to 1,286,330.82, 1,929,706.04 and 527,968.75 is: 792,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,330.82 : 1,929,706.04 = 527,968.75 : x
  2. Step 2: Convert to fraction form
    1,286,330.82/1,929,706.04 = 527,968.75/x
  3. Step 3: Cross multiply
    1,286,330.82x = 1,929,706.04 × 527,968.75
  4. Step 4: Simplify right side
    1,286,330.82x = 1,018,824,485,806.25
  5. Step 5: Solve for x
    x = 1,018,824,485,806.25/1,286,330.82
  6. Step 6: Final answer
    x = 792,039.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.