Home / 683,742.32-943,564.36-381,936.32

Finding the Fourth Proportional to 683,742.32, 943,564.36 and 381,936.32

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Solution

The fourth proportional to 683,742.32, 943,564.36 and 381,936.32 is: 527,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,742.32 : 943,564.36 = 381,936.32 : x
  2. Step 2: Convert to fraction form
    683,742.32/943,564.36 = 381,936.32/x
  3. Step 3: Cross multiply
    683,742.32x = 943,564.36 × 381,936.32
  4. Step 4: Simplify right side
    683,742.32x = 360,381,493,668.89
  5. Step 5: Solve for x
    x = 360,381,493,668.89/683,742.32
  6. Step 6: Final answer
    x = 527,072.09

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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.