Home / 1,421,347.41-1,961,456.22-809,500.14

Finding the Fourth Proportional to 1,421,347.41, 1,961,456.22 and 809,500.14

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Solution

The fourth proportional to 1,421,347.41, 1,961,456.22 and 809,500.14 is: 1,117,108.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,347.41 : 1,961,456.22 = 809,500.14 : x
  2. Step 2: Convert to fraction form
    1,421,347.41/1,961,456.22 = 809,500.14/x
  3. Step 3: Cross multiply
    1,421,347.41x = 1,961,456.22 × 809,500.14
  4. Step 4: Simplify right side
    1,421,347.41x = 1,587,799,084,693.87
  5. Step 5: Solve for x
    x = 1,587,799,084,693.87/1,421,347.41
  6. Step 6: Final answer
    x = 1,117,108.37

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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.