Home / 1,560,539-2,153,543.82-845,147

Finding the Fourth Proportional to 1,560,539, 2,153,543.82 and 845,147

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Solution

The fourth proportional to 1,560,539, 2,153,543.82 and 845,147 is: 1,166,302.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,539 : 2,153,543.82 = 845,147 : x
  2. Step 2: Convert to fraction form
    1,560,539/2,153,543.82 = 845,147/x
  3. Step 3: Cross multiply
    1,560,539x = 2,153,543.82 × 845,147
  4. Step 4: Simplify right side
    1,560,539x = 1,820,061,098,841.54
  5. Step 5: Solve for x
    x = 1,820,061,098,841.54/1,560,539
  6. Step 6: Final answer
    x = 1,166,302.86

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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.