Home / 954,890.80-1,432,336.20-449,137.36

Finding the Fourth Proportional to 954,890.80, 1,432,336.20 and 449,137.36

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Solution

The fourth proportional to 954,890.80, 1,432,336.20 and 449,137.36 is: 673,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,890.80 : 1,432,336.20 = 449,137.36 : x
  2. Step 2: Convert to fraction form
    954,890.80/1,432,336.20 = 449,137.36/x
  3. Step 3: Cross multiply
    954,890.80x = 1,432,336.20 × 449,137.36
  4. Step 4: Simplify right side
    954,890.80x = 643,315,699,500.43
  5. Step 5: Solve for x
    x = 643,315,699,500.43/954,890.80
  6. Step 6: Final answer
    x = 673,706.04

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Double scale
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Similar ratio
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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.