Home / 704,703.40-1,057,170.30-231,260.20

Finding the Fourth Proportional to 704,703.40, 1,057,170.30 and 231,260.20

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Solution

The fourth proportional to 704,703.40, 1,057,170.30 and 231,260.20 is: 346,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,703.40 : 1,057,170.30 = 231,260.20 : x
  2. Step 2: Convert to fraction form
    704,703.40/1,057,170.30 = 231,260.20/x
  3. Step 3: Cross multiply
    704,703.40x = 1,057,170.30 × 231,260.20
  4. Step 4: Simplify right side
    704,703.40x = 244,481,415,012.06
  5. Step 5: Solve for x
    x = 244,481,415,012.06/704,703.40
  6. Step 6: Final answer
    x = 346,928.10

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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.