Home / 592,378.42-816,631.96-422,317.30

Finding the Fourth Proportional to 592,378.42, 816,631.96 and 422,317.30

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Solution

The fourth proportional to 592,378.42, 816,631.96 and 422,317.30 is: 582,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,378.42 : 816,631.96 = 422,317.30 : x
  2. Step 2: Convert to fraction form
    592,378.42/816,631.96 = 422,317.30/x
  3. Step 3: Cross multiply
    592,378.42x = 816,631.96 × 422,317.30
  4. Step 4: Simplify right side
    592,378.42x = 344,877,804,440.91
  5. Step 5: Solve for x
    x = 344,877,804,440.91/592,378.42
  6. Step 6: Final answer
    x = 582,191.71

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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.