Home / 1,371,195.48-1,892,024.82-861,537

Finding the Fourth Proportional to 1,371,195.48, 1,892,024.82 and 861,537

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Solution

The fourth proportional to 1,371,195.48, 1,892,024.82 and 861,537 is: 1,188,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,195.48 : 1,892,024.82 = 861,537 : x
  2. Step 2: Convert to fraction form
    1,371,195.48/1,892,024.82 = 861,537/x
  3. Step 3: Cross multiply
    1,371,195.48x = 1,892,024.82 × 861,537
  4. Step 4: Simplify right side
    1,371,195.48x = 1,630,049,387,348.34
  5. Step 5: Solve for x
    x = 1,630,049,387,348.34/1,371,195.48
  6. Step 6: Final answer
    x = 1,188,779.73

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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.