Home / 448,524.24-672,786.36-307,856.40

Finding the Fourth Proportional to 448,524.24, 672,786.36 and 307,856.40

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Solution

The fourth proportional to 448,524.24, 672,786.36 and 307,856.40 is: 461,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,524.24 : 672,786.36 = 307,856.40 : x
  2. Step 2: Convert to fraction form
    448,524.24/672,786.36 = 307,856.40/x
  3. Step 3: Cross multiply
    448,524.24x = 672,786.36 × 307,856.40
  4. Step 4: Simplify right side
    448,524.24x = 207,121,586,758.70
  5. Step 5: Solve for x
    x = 207,121,586,758.70/448,524.24
  6. Step 6: Final answer
    x = 461,784.60

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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.