Home / 1,691,508.38-2,537,271.09-429,336.41

Finding the Fourth Proportional to 1,691,508.38, 2,537,271.09 and 429,336.41

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Solution

The fourth proportional to 1,691,508.38, 2,537,271.09 and 429,336.41 is: 644,006.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,508.38 : 2,537,271.09 = 429,336.41 : x
  2. Step 2: Convert to fraction form
    1,691,508.38/2,537,271.09 = 429,336.41/x
  3. Step 3: Cross multiply
    1,691,508.38x = 2,537,271.09 × 429,336.41
  4. Step 4: Simplify right side
    1,691,508.38x = 1,089,342,860,977.39
  5. Step 5: Solve for x
    x = 1,089,342,860,977.39/1,691,508.38
  6. Step 6: Final answer
    x = 644,006.78

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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.