Home / 448,427.33-672,325.62-208,286.27

Finding the Fourth Proportional to 448,427.33, 672,325.62 and 208,286.27

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Solution

The fourth proportional to 448,427.33, 672,325.62 and 208,286.27 is: 312,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,427.33 : 672,325.62 = 208,286.27 : x
  2. Step 2: Convert to fraction form
    448,427.33/672,325.62 = 208,286.27/x
  3. Step 3: Cross multiply
    448,427.33x = 672,325.62 × 208,286.27
  4. Step 4: Simplify right side
    448,427.33x = 140,036,196,830.13
  5. Step 5: Solve for x
    x = 140,036,196,830.13/448,427.33
  6. Step 6: Final answer
    x = 312,282.92

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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.