Home / 847,576.45-1,271,356.92-341,779.24

Finding the Fourth Proportional to 847,576.45, 1,271,356.92 and 341,779.24

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Solution

The fourth proportional to 847,576.45, 1,271,356.92 and 341,779.24 is: 512,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,576.45 : 1,271,356.92 = 341,779.24 : x
  2. Step 2: Convert to fraction form
    847,576.45/1,271,356.92 = 341,779.24/x
  3. Step 3: Cross multiply
    847,576.45x = 1,271,356.92 × 341,779.24
  4. Step 4: Simplify right side
    847,576.45x = 434,523,401,886.34
  5. Step 5: Solve for x
    x = 434,523,401,886.34/847,576.45
  6. Step 6: Final answer
    x = 512,665.73

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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.