Home / 1,022,885.22-1,534,272.21-312,913.25

Finding the Fourth Proportional to 1,022,885.22, 1,534,272.21 and 312,913.25

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Solution

The fourth proportional to 1,022,885.22, 1,534,272.21 and 312,913.25 is: 469,352.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,885.22 : 1,534,272.21 = 312,913.25 : x
  2. Step 2: Convert to fraction form
    1,022,885.22/1,534,272.21 = 312,913.25/x
  3. Step 3: Cross multiply
    1,022,885.22x = 1,534,272.21 × 312,913.25
  4. Step 4: Simplify right side
    1,022,885.22x = 480,094,107,451.46
  5. Step 5: Solve for x
    x = 480,094,107,451.46/1,022,885.22
  6. Step 6: Final answer
    x = 469,352.86

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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.