Home / 1,261,254.83-1,891,882.23-409,039.35

Finding the Fourth Proportional to 1,261,254.83, 1,891,882.23 and 409,039.35

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Solution

The fourth proportional to 1,261,254.83, 1,891,882.23 and 409,039.35 is: 613,559.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,254.83 : 1,891,882.23 = 409,039.35 : x
  2. Step 2: Convert to fraction form
    1,261,254.83/1,891,882.23 = 409,039.35/x
  3. Step 3: Cross multiply
    1,261,254.83x = 1,891,882.23 × 409,039.35
  4. Step 4: Simplify right side
    1,261,254.83x = 773,854,277,635.75
  5. Step 5: Solve for x
    x = 773,854,277,635.75/1,261,254.83
  6. Step 6: Final answer
    x = 613,559.02

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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.