Home / 654,246.55-979,795.14-443,244.79

Finding the Fourth Proportional to 654,246.55, 979,795.14 and 443,244.79

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Solution

The fourth proportional to 654,246.55, 979,795.14 and 443,244.79 is: 663,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,246.55 : 979,795.14 = 443,244.79 : x
  2. Step 2: Convert to fraction form
    654,246.55/979,795.14 = 443,244.79/x
  3. Step 3: Cross multiply
    654,246.55x = 979,795.14 × 443,244.79
  4. Step 4: Simplify right side
    654,246.55x = 434,289,091,072.32
  5. Step 5: Solve for x
    x = 434,289,091,072.32/654,246.55
  6. Step 6: Final answer
    x = 663,800.35

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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.