Home / 916,504.30-1,374,757.60-317,465.39

Finding the Fourth Proportional to 916,504.30, 1,374,757.60 and 317,465.39

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Solution

The fourth proportional to 916,504.30, 1,374,757.60 and 317,465.39 is: 476,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,504.30 : 1,374,757.60 = 317,465.39 : x
  2. Step 2: Convert to fraction form
    916,504.30/1,374,757.60 = 317,465.39/x
  3. Step 3: Cross multiply
    916,504.30x = 1,374,757.60 × 317,465.39
  4. Step 4: Simplify right side
    916,504.30x = 436,437,956,583.42
  5. Step 5: Solve for x
    x = 436,437,956,583.42/916,504.30
  6. Step 6: Final answer
    x = 476,198.48

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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.