Home / 2,520,279.60-3,778,000.20-836,516.40

Finding the Fourth Proportional to 2,520,279.60, 3,778,000.20 and 836,516.40

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Solution

The fourth proportional to 2,520,279.60, 3,778,000.20 and 836,516.40 is: 1,253,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,279.60 : 3,778,000.20 = 836,516.40 : x
  2. Step 2: Convert to fraction form
    2,520,279.60/3,778,000.20 = 836,516.40/x
  3. Step 3: Cross multiply
    2,520,279.60x = 3,778,000.20 × 836,516.40
  4. Step 4: Simplify right side
    2,520,279.60x = 3,160,359,126,503.28
  5. Step 5: Solve for x
    x = 3,160,359,126,503.28/2,520,279.60
  6. Step 6: Final answer
    x = 1,253,971.63

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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.