Home / 568,490.08-784,495.70-313,835.80

Finding the Fourth Proportional to 568,490.08, 784,495.70 and 313,835.80

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Solution

The fourth proportional to 568,490.08, 784,495.70 and 313,835.80 is: 433,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,490.08 : 784,495.70 = 313,835.80 : x
  2. Step 2: Convert to fraction form
    568,490.08/784,495.70 = 313,835.80/x
  3. Step 3: Cross multiply
    568,490.08x = 784,495.70 × 313,835.80
  4. Step 4: Simplify right side
    568,490.08x = 246,202,835,606.06
  5. Step 5: Solve for x
    x = 246,202,835,606.06/568,490.08
  6. Step 6: Final answer
    x = 433,082.03

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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.