Home / 806,003.64-1,112,284.98-443,419.68

Finding the Fourth Proportional to 806,003.64, 1,112,284.98 and 443,419.68

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Solution

The fourth proportional to 806,003.64, 1,112,284.98 and 443,419.68 is: 611,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,003.64 : 1,112,284.98 = 443,419.68 : x
  2. Step 2: Convert to fraction form
    806,003.64/1,112,284.98 = 443,419.68/x
  3. Step 3: Cross multiply
    806,003.64x = 1,112,284.98 × 443,419.68
  4. Step 4: Simplify right side
    806,003.64x = 493,209,049,900.41
  5. Step 5: Solve for x
    x = 493,209,049,900.41/806,003.64
  6. Step 6: Final answer
    x = 611,919.13

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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.