Home / 692,121.78-1,036,306.69-358,997.94

Finding the Fourth Proportional to 692,121.78, 1,036,306.69 and 358,997.94

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Solution

The fourth proportional to 692,121.78, 1,036,306.69 and 358,997.94 is: 537,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,121.78 : 1,036,306.69 = 358,997.94 : x
  2. Step 2: Convert to fraction form
    692,121.78/1,036,306.69 = 358,997.94/x
  3. Step 3: Cross multiply
    692,121.78x = 1,036,306.69 × 358,997.94
  4. Step 4: Simplify right side
    692,121.78x = 372,031,966,918.22
  5. Step 5: Solve for x
    x = 372,031,966,918.22/692,121.78
  6. Step 6: Final answer
    x = 537,523.85

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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.