Home / 653,949.25-981,111.47-274,674.92

Finding the Fourth Proportional to 653,949.25, 981,111.47 and 274,674.92

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Solution

The fourth proportional to 653,949.25, 981,111.47 and 274,674.92 is: 412,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,949.25 : 981,111.47 = 274,674.92 : x
  2. Step 2: Convert to fraction form
    653,949.25/981,111.47 = 274,674.92/x
  3. Step 3: Cross multiply
    653,949.25x = 981,111.47 × 274,674.92
  4. Step 4: Simplify right side
    653,949.25x = 269,486,708,254.40
  5. Step 5: Solve for x
    x = 269,486,708,254.40/653,949.25
  6. Step 6: Final answer
    x = 412,091.17

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1.5x scale

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.