Home / 454,329.10-681,493.65-448,424.20

Finding the Fourth Proportional to 454,329.10, 681,493.65 and 448,424.20

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Solution

The fourth proportional to 454,329.10, 681,493.65 and 448,424.20 is: 672,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,329.10 : 681,493.65 = 448,424.20 : x
  2. Step 2: Convert to fraction form
    454,329.10/681,493.65 = 448,424.20/x
  3. Step 3: Cross multiply
    454,329.10x = 681,493.65 × 448,424.20
  4. Step 4: Simplify right side
    454,329.10x = 305,598,244,806.33
  5. Step 5: Solve for x
    x = 305,598,244,806.33/454,329.10
  6. Step 6: Final answer
    x = 672,636.30

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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.