Home / 783,206.64-1,080,999-443,862

Finding the Fourth Proportional to 783,206.64, 1,080,999 and 443,862

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Solution

The fourth proportional to 783,206.64, 1,080,999 and 443,862 is: 612,628.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,206.64 : 1,080,999 = 443,862 : x
  2. Step 2: Convert to fraction form
    783,206.64/1,080,999 = 443,862/x
  3. Step 3: Cross multiply
    783,206.64x = 1,080,999 × 443,862
  4. Step 4: Simplify right side
    783,206.64x = 479,814,378,138
  5. Step 5: Solve for x
    x = 479,814,378,138/783,206.64
  6. Step 6: Final answer
    x = 612,628.08

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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.