Home / 1,061,749.68-1,593,279-430,668.96

Finding the Fourth Proportional to 1,061,749.68, 1,593,279 and 430,668.96

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Solution

The fourth proportional to 1,061,749.68, 1,593,279 and 430,668.96 is: 646,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,749.68 : 1,593,279 = 430,668.96 : x
  2. Step 2: Convert to fraction form
    1,061,749.68/1,593,279 = 430,668.96/x
  3. Step 3: Cross multiply
    1,061,749.68x = 1,593,279 × 430,668.96
  4. Step 4: Simplify right side
    1,061,749.68x = 686,175,809,919.84
  5. Step 5: Solve for x
    x = 686,175,809,919.84/1,061,749.68
  6. Step 6: Final answer
    x = 646,268.91

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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.