Home / 804,660.10-1,110,438.45-442,091.48

Finding the Fourth Proportional to 804,660.10, 1,110,438.45 and 442,091.48

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Solution

The fourth proportional to 804,660.10, 1,110,438.45 and 442,091.48 is: 610,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,660.10 : 1,110,438.45 = 442,091.48 : x
  2. Step 2: Convert to fraction form
    804,660.10/1,110,438.45 = 442,091.48/x
  3. Step 3: Cross multiply
    804,660.10x = 1,110,438.45 × 442,091.48
  4. Step 4: Simplify right side
    804,660.10x = 490,915,372,257.21
  5. Step 5: Solve for x
    x = 490,915,372,257.21/804,660.10
  6. Step 6: Final answer
    x = 610,090.36

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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.