Home / 1,237,999.30-1,856,874.45-339,531.37

Finding the Fourth Proportional to 1,237,999.30, 1,856,874.45 and 339,531.37

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Solution

The fourth proportional to 1,237,999.30, 1,856,874.45 and 339,531.37 is: 509,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,999.30 : 1,856,874.45 = 339,531.37 : x
  2. Step 2: Convert to fraction form
    1,237,999.30/1,856,874.45 = 339,531.37/x
  3. Step 3: Cross multiply
    1,237,999.30x = 1,856,874.45 × 339,531.37
  4. Step 4: Simplify right side
    1,237,999.30x = 630,467,125,926.50
  5. Step 5: Solve for x
    x = 630,467,125,926.50/1,237,999.30
  6. Step 6: Final answer
    x = 509,262.91

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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.