Home / 1,022,777.10-1,533,919.61-312,811.29

Finding the Fourth Proportional to 1,022,777.10, 1,533,919.61 and 312,811.29

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Solution

The fourth proportional to 1,022,777.10, 1,533,919.61 and 312,811.29 is: 469,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,777.10 : 1,533,919.61 = 312,811.29 : x
  2. Step 2: Convert to fraction form
    1,022,777.10/1,533,919.61 = 312,811.29/x
  3. Step 3: Cross multiply
    1,022,777.10x = 1,533,919.61 × 312,811.29
  4. Step 4: Simplify right side
    1,022,777.10x = 479,827,372,742.43
  5. Step 5: Solve for x
    x = 479,827,372,742.43/1,022,777.10
  6. Step 6: Final answer
    x = 469,141.69

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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.