Home / 638,519.04-957,876.98-217,696.50

Finding the Fourth Proportional to 638,519.04, 957,876.98 and 217,696.50

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Solution

The fourth proportional to 638,519.04, 957,876.98 and 217,696.50 is: 326,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,519.04 : 957,876.98 = 217,696.50 : x
  2. Step 2: Convert to fraction form
    638,519.04/957,876.98 = 217,696.50/x
  3. Step 3: Cross multiply
    638,519.04x = 957,876.98 × 217,696.50
  4. Step 4: Simplify right side
    638,519.04x = 208,526,464,888.09
  5. Step 5: Solve for x
    x = 208,526,464,888.09/638,519.04
  6. Step 6: Final answer
    x = 326,578.30

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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.