Home / 1,638,224.20-2,260,759.90-913,117.96

Finding the Fourth Proportional to 1,638,224.20, 2,260,759.90 and 913,117.96

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Solution

The fourth proportional to 1,638,224.20, 2,260,759.90 and 913,117.96 is: 1,260,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,224.20 : 2,260,759.90 = 913,117.96 : x
  2. Step 2: Convert to fraction form
    1,638,224.20/2,260,759.90 = 913,117.96/x
  3. Step 3: Cross multiply
    1,638,224.20x = 2,260,759.90 × 913,117.96
  4. Step 4: Simplify right side
    1,638,224.20x = 2,064,340,467,937.80
  5. Step 5: Solve for x
    x = 2,064,340,467,937.80/1,638,224.20
  6. Step 6: Final answer
    x = 1,260,108.64

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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.