Home / 590,784.67-815,286.17-336,135.86

Finding the Fourth Proportional to 590,784.67, 815,286.17 and 336,135.86

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Solution

The fourth proportional to 590,784.67, 815,286.17 and 336,135.86 is: 463,869.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,784.67 : 815,286.17 = 336,135.86 : x
  2. Step 2: Convert to fraction form
    590,784.67/815,286.17 = 336,135.86/x
  3. Step 3: Cross multiply
    590,784.67x = 815,286.17 × 336,135.86
  4. Step 4: Simplify right side
    590,784.67x = 274,046,912,141.95
  5. Step 5: Solve for x
    x = 274,046,912,141.95/590,784.67
  6. Step 6: Final answer
    x = 463,869.37

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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.