Home / 676,861.40-1,014,600.90-396,234.20

Finding the Fourth Proportional to 676,861.40, 1,014,600.90 and 396,234.20

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Solution

The fourth proportional to 676,861.40, 1,014,600.90 and 396,234.20 is: 593,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,861.40 : 1,014,600.90 = 396,234.20 : x
  2. Step 2: Convert to fraction form
    676,861.40/1,014,600.90 = 396,234.20/x
  3. Step 3: Cross multiply
    676,861.40x = 1,014,600.90 × 396,234.20
  4. Step 4: Simplify right side
    676,861.40x = 402,019,575,930.78
  5. Step 5: Solve for x
    x = 402,019,575,930.78/676,861.40
  6. Step 6: Final answer
    x = 593,946.67

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Double scale
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1.5x scale

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.