Home / 981,344.92-1,354,263.45-545,768.33

Finding the Fourth Proportional to 981,344.92, 1,354,263.45 and 545,768.33

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Solution

The fourth proportional to 981,344.92, 1,354,263.45 and 545,768.33 is: 753,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,344.92 : 1,354,263.45 = 545,768.33 : x
  2. Step 2: Convert to fraction form
    981,344.92/1,354,263.45 = 545,768.33/x
  3. Step 3: Cross multiply
    981,344.92x = 1,354,263.45 × 545,768.33
  4. Step 4: Simplify right side
    981,344.92x = 739,114,103,356.27
  5. Step 5: Solve for x
    x = 739,114,103,356.27/981,344.92
  6. Step 6: Final answer
    x = 753,164.45

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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.