Home / 591,728.84-816,585.90-319,795.82

Finding the Fourth Proportional to 591,728.84, 816,585.90 and 319,795.82

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Solution

The fourth proportional to 591,728.84, 816,585.90 and 319,795.82 is: 441,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,728.84 : 816,585.90 = 319,795.82 : x
  2. Step 2: Convert to fraction form
    591,728.84/816,585.90 = 319,795.82/x
  3. Step 3: Cross multiply
    591,728.84x = 816,585.90 × 319,795.82
  4. Step 4: Simplify right side
    591,728.84x = 261,140,757,490.94
  5. Step 5: Solve for x
    x = 261,140,757,490.94/591,728.84
  6. Step 6: Final answer
    x = 441,318.29

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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.