Home / 733,666.40-1,100,499.60-418,738.40

Finding the Fourth Proportional to 733,666.40, 1,100,499.60 and 418,738.40

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Solution

The fourth proportional to 733,666.40, 1,100,499.60 and 418,738.40 is: 628,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,666.40 : 1,100,499.60 = 418,738.40 : x
  2. Step 2: Convert to fraction form
    733,666.40/1,100,499.60 = 418,738.40/x
  3. Step 3: Cross multiply
    733,666.40x = 1,100,499.60 × 418,738.40
  4. Step 4: Simplify right side
    733,666.40x = 460,821,441,704.64
  5. Step 5: Solve for x
    x = 460,821,441,704.64/733,666.40
  6. Step 6: Final answer
    x = 628,107.60

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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.