Home / 1,856,287.78-2,783,644.32-658,511.62

Finding the Fourth Proportional to 1,856,287.78, 2,783,644.32 and 658,511.62

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Solution

The fourth proportional to 1,856,287.78, 2,783,644.32 and 658,511.62 is: 987,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,287.78 : 2,783,644.32 = 658,511.62 : x
  2. Step 2: Convert to fraction form
    1,856,287.78/2,783,644.32 = 658,511.62/x
  3. Step 3: Cross multiply
    1,856,287.78x = 2,783,644.32 × 658,511.62
  4. Step 4: Simplify right side
    1,856,287.78x = 1,833,062,130,667.00
  5. Step 5: Solve for x
    x = 1,833,062,130,667.00/1,856,287.78
  6. Step 6: Final answer
    x = 987,488.12

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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.