Home / 896,109.20-1,344,163.80-448,211.60

Finding the Fourth Proportional to 896,109.20, 1,344,163.80 and 448,211.60

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Solution

The fourth proportional to 896,109.20, 1,344,163.80 and 448,211.60 is: 672,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,109.20 : 1,344,163.80 = 448,211.60 : x
  2. Step 2: Convert to fraction form
    896,109.20/1,344,163.80 = 448,211.60/x
  3. Step 3: Cross multiply
    896,109.20x = 1,344,163.80 × 448,211.60
  4. Step 4: Simplify right side
    896,109.20x = 602,469,807,460.08
  5. Step 5: Solve for x
    x = 602,469,807,460.08/896,109.20
  6. Step 6: Final answer
    x = 672,317.40

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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.