Home / 1,552,915.22-2,329,372.11-430,983.86

Finding the Fourth Proportional to 1,552,915.22, 2,329,372.11 and 430,983.86

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Solution

The fourth proportional to 1,552,915.22, 2,329,372.11 and 430,983.86 is: 646,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,915.22 : 2,329,372.11 = 430,983.86 : x
  2. Step 2: Convert to fraction form
    1,552,915.22/2,329,372.11 = 430,983.86/x
  3. Step 3: Cross multiply
    1,552,915.22x = 2,329,372.11 × 430,983.86
  4. Step 4: Simplify right side
    1,552,915.22x = 1,003,921,783,344.14
  5. Step 5: Solve for x
    x = 1,003,921,783,344.14/1,552,915.22
  6. Step 6: Final answer
    x = 646,475.59

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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.