Home / 592,376.91-816,629.90-422,315.79

Finding the Fourth Proportional to 592,376.91, 816,629.90 and 422,315.79

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Solution

The fourth proportional to 592,376.91, 816,629.90 and 422,315.79 is: 582,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,376.91 : 816,629.90 = 422,315.79 : x
  2. Step 2: Convert to fraction form
    592,376.91/816,629.90 = 422,315.79/x
  3. Step 3: Cross multiply
    592,376.91x = 816,629.90 × 422,315.79
  4. Step 4: Simplify right side
    592,376.91x = 344,875,699,244.54
  5. Step 5: Solve for x
    x = 344,875,699,244.54/592,376.91
  6. Step 6: Final answer
    x = 582,189.64

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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.