Home / 790,225.23-1,090,512.75-427,651.73

Finding the Fourth Proportional to 790,225.23, 1,090,512.75 and 427,651.73

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Solution

The fourth proportional to 790,225.23, 1,090,512.75 and 427,651.73 is: 590,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,225.23 : 1,090,512.75 = 427,651.73 : x
  2. Step 2: Convert to fraction form
    790,225.23/1,090,512.75 = 427,651.73/x
  3. Step 3: Cross multiply
    790,225.23x = 1,090,512.75 × 427,651.73
  4. Step 4: Simplify right side
    790,225.23x = 466,359,659,741.12
  5. Step 5: Solve for x
    x = 466,359,659,741.12/790,225.23
  6. Step 6: Final answer
    x = 590,160.43

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1.5x scale

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.