Home / 447,200.10-670,800.15-444,575.70

Finding the Fourth Proportional to 447,200.10, 670,800.15 and 444,575.70

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Solution

The fourth proportional to 447,200.10, 670,800.15 and 444,575.70 is: 666,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,200.10 : 670,800.15 = 444,575.70 : x
  2. Step 2: Convert to fraction form
    447,200.10/670,800.15 = 444,575.70/x
  3. Step 3: Cross multiply
    447,200.10x = 670,800.15 × 444,575.70
  4. Step 4: Simplify right side
    447,200.10x = 298,221,446,246.36
  5. Step 5: Solve for x
    x = 298,221,446,246.36/447,200.10
  6. Step 6: Final answer
    x = 666,863.55

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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.