Home / 924,625.78-1,384,696.58-639,516.15

Finding the Fourth Proportional to 924,625.78, 1,384,696.58 and 639,516.15

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Solution

The fourth proportional to 924,625.78, 1,384,696.58 and 639,516.15 is: 957,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,625.78 : 1,384,696.58 = 639,516.15 : x
  2. Step 2: Convert to fraction form
    924,625.78/1,384,696.58 = 639,516.15/x
  3. Step 3: Cross multiply
    924,625.78x = 1,384,696.58 × 639,516.15
  4. Step 4: Simplify right side
    924,625.78x = 885,535,822,562.19
  5. Step 5: Solve for x
    x = 885,535,822,562.19/924,625.78
  6. Step 6: Final answer
    x = 957,723.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.