Home / 1,131,742.94-1,697,725.38-412,280.24

Finding the Fourth Proportional to 1,131,742.94, 1,697,725.38 and 412,280.24

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Solution

The fourth proportional to 1,131,742.94, 1,697,725.38 and 412,280.24 is: 618,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,742.94 : 1,697,725.38 = 412,280.24 : x
  2. Step 2: Convert to fraction form
    1,131,742.94/1,697,725.38 = 412,280.24/x
  3. Step 3: Cross multiply
    1,131,742.94x = 1,697,725.38 × 412,280.24
  4. Step 4: Simplify right side
    1,131,742.94x = 699,938,627,120.49
  5. Step 5: Solve for x
    x = 699,938,627,120.49/1,131,742.94
  6. Step 6: Final answer
    x = 618,460.79

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Double scale
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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.