Home / 454,311.60-681,467.40-448,406.70

Finding the Fourth Proportional to 454,311.60, 681,467.40 and 448,406.70

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Solution

The fourth proportional to 454,311.60, 681,467.40 and 448,406.70 is: 672,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,311.60 : 681,467.40 = 448,406.70 : x
  2. Step 2: Convert to fraction form
    454,311.60/681,467.40 = 448,406.70/x
  3. Step 3: Cross multiply
    454,311.60x = 681,467.40 × 448,406.70
  4. Step 4: Simplify right side
    454,311.60x = 305,574,547,991.58
  5. Step 5: Solve for x
    x = 305,574,547,991.58/454,311.60
  6. Step 6: Final answer
    x = 672,610.05

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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.