Home / 981,109.42-1,353,924.39-573,199.90

Finding the Fourth Proportional to 981,109.42, 1,353,924.39 and 573,199.90

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Solution

The fourth proportional to 981,109.42, 1,353,924.39 and 573,199.90 is: 791,012.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,109.42 : 1,353,924.39 = 573,199.90 : x
  2. Step 2: Convert to fraction form
    981,109.42/1,353,924.39 = 573,199.90/x
  3. Step 3: Cross multiply
    981,109.42x = 1,353,924.39 × 573,199.90
  4. Step 4: Simplify right side
    981,109.42x = 776,069,324,955.56
  5. Step 5: Solve for x
    x = 776,069,324,955.56/981,109.42
  6. Step 6: Final answer
    x = 791,012.00

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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.