Home / 639,219.26-882,092.61-367,095.30

Finding the Fourth Proportional to 639,219.26, 882,092.61 and 367,095.30

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Solution

The fourth proportional to 639,219.26, 882,092.61 and 367,095.30 is: 506,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,219.26 : 882,092.61 = 367,095.30 : x
  2. Step 2: Convert to fraction form
    639,219.26/882,092.61 = 367,095.30/x
  3. Step 3: Cross multiply
    639,219.26x = 882,092.61 × 367,095.30
  4. Step 4: Simplify right side
    639,219.26x = 323,812,051,295.73
  5. Step 5: Solve for x
    x = 323,812,051,295.73/639,219.26
  6. Step 6: Final answer
    x = 506,574.31

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Double scale
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1.5x scale

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.