Home / 573,905.73-791,986.17-315,798.42

Finding the Fourth Proportional to 573,905.73, 791,986.17 and 315,798.42

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Solution

The fourth proportional to 573,905.73, 791,986.17 and 315,798.42 is: 435,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,905.73 : 791,986.17 = 315,798.42 : x
  2. Step 2: Convert to fraction form
    573,905.73/791,986.17 = 315,798.42/x
  3. Step 3: Cross multiply
    573,905.73x = 791,986.17 × 315,798.42
  4. Step 4: Simplify right side
    573,905.73x = 250,107,981,147.85
  5. Step 5: Solve for x
    x = 250,107,981,147.85/573,905.73
  6. Step 6: Final answer
    x = 435,799.76

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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.