Home / 549,619.18-824,234.37-261,396.88

Finding the Fourth Proportional to 549,619.18, 824,234.37 and 261,396.88

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Solution

The fourth proportional to 549,619.18, 824,234.37 and 261,396.88 is: 392,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,619.18 : 824,234.37 = 261,396.88 : x
  2. Step 2: Convert to fraction form
    549,619.18/824,234.37 = 261,396.88/x
  3. Step 3: Cross multiply
    549,619.18x = 824,234.37 × 261,396.88
  4. Step 4: Simplify right side
    549,619.18x = 215,452,292,706.77
  5. Step 5: Solve for x
    x = 215,452,292,706.77/549,619.18
  6. Step 6: Final answer
    x = 392,002.86

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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.