Home / 784,735.09-1,082,945.60-440,645.57

Finding the Fourth Proportional to 784,735.09, 1,082,945.60 and 440,645.57

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Solution

The fourth proportional to 784,735.09, 1,082,945.60 and 440,645.57 is: 608,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,735.09 : 1,082,945.60 = 440,645.57 : x
  2. Step 2: Convert to fraction form
    784,735.09/1,082,945.60 = 440,645.57/x
  3. Step 3: Cross multiply
    784,735.09x = 1,082,945.60 × 440,645.57
  4. Step 4: Simplify right side
    784,735.09x = 477,195,179,286.50
  5. Step 5: Solve for x
    x = 477,195,179,286.50/784,735.09
  6. Step 6: Final answer
    x = 608,097.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.