Home / 981,208.54-1,354,179.96-545,669.28

Finding the Fourth Proportional to 981,208.54, 1,354,179.96 and 545,669.28

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Solution

The fourth proportional to 981,208.54, 1,354,179.96 and 545,669.28 is: 753,085.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,208.54 : 1,354,179.96 = 545,669.28 : x
  2. Step 2: Convert to fraction form
    981,208.54/1,354,179.96 = 545,669.28/x
  3. Step 3: Cross multiply
    981,208.54x = 1,354,179.96 × 545,669.28
  4. Step 4: Simplify right side
    981,208.54x = 738,934,403,763.63
  5. Step 5: Solve for x
    x = 738,934,403,763.63/981,208.54
  6. Step 6: Final answer
    x = 753,085.99

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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.