Home / 999,451.22-1,379,242.91-563,961.02

Finding the Fourth Proportional to 999,451.22, 1,379,242.91 and 563,961.02

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Solution

The fourth proportional to 999,451.22, 1,379,242.91 and 563,961.02 is: 778,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,451.22 : 1,379,242.91 = 563,961.02 : x
  2. Step 2: Convert to fraction form
    999,451.22/1,379,242.91 = 563,961.02/x
  3. Step 3: Cross multiply
    999,451.22x = 1,379,242.91 × 563,961.02
  4. Step 4: Simplify right side
    999,451.22x = 777,839,232,865.06
  5. Step 5: Solve for x
    x = 777,839,232,865.06/999,451.22
  6. Step 6: Final answer
    x = 778,266.33

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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.