Home / 591,376.07-816,099.30-319,443.96

Finding the Fourth Proportional to 591,376.07, 816,099.30 and 319,443.96

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Solution

The fourth proportional to 591,376.07, 816,099.30 and 319,443.96 is: 440,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,376.07 : 816,099.30 = 319,443.96 : x
  2. Step 2: Convert to fraction form
    591,376.07/816,099.30 = 319,443.96/x
  3. Step 3: Cross multiply
    591,376.07x = 816,099.30 × 319,443.96
  4. Step 4: Simplify right side
    591,376.07x = 260,697,992,145.23
  5. Step 5: Solve for x
    x = 260,697,992,145.23/591,376.07
  6. Step 6: Final answer
    x = 440,832.84

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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.