Home / 1,621,781.10-2,433,883.41-611,899.02

Finding the Fourth Proportional to 1,621,781.10, 2,433,883.41 and 611,899.02

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Solution

The fourth proportional to 1,621,781.10, 2,433,883.41 and 611,899.02 is: 918,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,781.10 : 2,433,883.41 = 611,899.02 : x
  2. Step 2: Convert to fraction form
    1,621,781.10/2,433,883.41 = 611,899.02/x
  3. Step 3: Cross multiply
    1,621,781.10x = 2,433,883.41 × 611,899.02
  4. Step 4: Simplify right side
    1,621,781.10x = 1,489,290,873,373.26
  5. Step 5: Solve for x
    x = 1,489,290,873,373.26/1,621,781.10
  6. Step 6: Final answer
    x = 918,305.73

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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.