Home / 699,034.29-1,048,540.73-314,511.54

Finding the Fourth Proportional to 699,034.29, 1,048,540.73 and 314,511.54

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Solution

The fourth proportional to 699,034.29, 1,048,540.73 and 314,511.54 is: 471,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,034.29 : 1,048,540.73 = 314,511.54 : x
  2. Step 2: Convert to fraction form
    699,034.29/1,048,540.73 = 314,511.54/x
  3. Step 3: Cross multiply
    699,034.29x = 1,048,540.73 × 314,511.54
  4. Step 4: Simplify right side
    699,034.29x = 329,778,158,172.47
  5. Step 5: Solve for x
    x = 329,778,158,172.47/699,034.29
  6. Step 6: Final answer
    x = 471,762.49

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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.