Home / 946,326.40-1,419,489.60-448,662.40

Finding the Fourth Proportional to 946,326.40, 1,419,489.60 and 448,662.40

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Solution

The fourth proportional to 946,326.40, 1,419,489.60 and 448,662.40 is: 672,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,326.40 : 1,419,489.60 = 448,662.40 : x
  2. Step 2: Convert to fraction form
    946,326.40/1,419,489.60 = 448,662.40/x
  3. Step 3: Cross multiply
    946,326.40x = 1,419,489.60 × 448,662.40
  4. Step 4: Simplify right side
    946,326.40x = 636,871,610,711.04
  5. Step 5: Solve for x
    x = 636,871,610,711.04/946,326.40
  6. Step 6: Final answer
    x = 672,993.60

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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.