Home / 674,207.20-1,011,310.80-622,885.60

Finding the Fourth Proportional to 674,207.20, 1,011,310.80 and 622,885.60

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Solution

The fourth proportional to 674,207.20, 1,011,310.80 and 622,885.60 is: 934,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,207.20 : 1,011,310.80 = 622,885.60 : x
  2. Step 2: Convert to fraction form
    674,207.20/1,011,310.80 = 622,885.60/x
  3. Step 3: Cross multiply
    674,207.20x = 1,011,310.80 × 622,885.60
  4. Step 4: Simplify right side
    674,207.20x = 629,930,934,444.48
  5. Step 5: Solve for x
    x = 629,930,934,444.48/674,207.20
  6. Step 6: Final answer
    x = 934,328.40

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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.