Home / 493,158.24-680,519.61-302,145.66

Finding the Fourth Proportional to 493,158.24, 680,519.61 and 302,145.66

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Solution

The fourth proportional to 493,158.24, 680,519.61 and 302,145.66 is: 416,937.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,158.24 : 680,519.61 = 302,145.66 : x
  2. Step 2: Convert to fraction form
    493,158.24/680,519.61 = 302,145.66/x
  3. Step 3: Cross multiply
    493,158.24x = 680,519.61 × 302,145.66
  4. Step 4: Simplify right side
    493,158.24x = 205,616,046,706.39
  5. Step 5: Solve for x
    x = 205,616,046,706.39/493,158.24
  6. Step 6: Final answer
    x = 416,937.26

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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.