Home / 981,659.34-1,354,235.16-573,778.35

Finding the Fourth Proportional to 981,659.34, 1,354,235.16 and 573,778.35

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Solution

The fourth proportional to 981,659.34, 1,354,235.16 and 573,778.35 is: 791,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,659.34 : 1,354,235.16 = 573,778.35 : x
  2. Step 2: Convert to fraction form
    981,659.34/1,354,235.16 = 573,778.35/x
  3. Step 3: Cross multiply
    981,659.34x = 1,354,235.16 × 573,778.35
  4. Step 4: Simplify right side
    981,659.34x = 777,030,815,616.79
  5. Step 5: Solve for x
    x = 777,030,815,616.79/981,659.34
  6. Step 6: Final answer
    x = 791,548.33

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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.