Home / 923,999.30-1,275,105.49-516,107.06

Finding the Fourth Proportional to 923,999.30, 1,275,105.49 and 516,107.06

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Solution

The fourth proportional to 923,999.30, 1,275,105.49 and 516,107.06 is: 712,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,999.30 : 1,275,105.49 = 516,107.06 : x
  2. Step 2: Convert to fraction form
    923,999.30/1,275,105.49 = 516,107.06/x
  3. Step 3: Cross multiply
    923,999.30x = 1,275,105.49 × 516,107.06
  4. Step 4: Simplify right side
    923,999.30x = 658,090,945,633.76
  5. Step 5: Solve for x
    x = 658,090,945,633.76/923,999.30
  6. Step 6: Final answer
    x = 712,220.18

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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.