Home / 816,023.92-1,126,090.52-453,438.49

Finding the Fourth Proportional to 816,023.92, 1,126,090.52 and 453,438.49

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Solution

The fourth proportional to 816,023.92, 1,126,090.52 and 453,438.49 is: 625,732.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,023.92 : 1,126,090.52 = 453,438.49 : x
  2. Step 2: Convert to fraction form
    816,023.92/1,126,090.52 = 453,438.49/x
  3. Step 3: Cross multiply
    816,023.92x = 1,126,090.52 × 453,438.49
  4. Step 4: Simplify right side
    816,023.92x = 510,612,779,361.66
  5. Step 5: Solve for x
    x = 510,612,779,361.66/816,023.92
  6. Step 6: Final answer
    x = 625,732.62

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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.