Home / 2,558,719.89-3,530,940.75-1,412,775.63

Finding the Fourth Proportional to 2,558,719.89, 3,530,940.75 and 1,412,775.63

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Solution

The fourth proportional to 2,558,719.89, 3,530,940.75 and 1,412,775.63 is: 1,949,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558,719.89 : 3,530,940.75 = 1,412,775.63 : x
  2. Step 2: Convert to fraction form
    2,558,719.89/3,530,940.75 = 1,412,775.63/x
  3. Step 3: Cross multiply
    2,558,719.89x = 3,530,940.75 × 1,412,775.63
  4. Step 4: Simplify right side
    2,558,719.89x = 4,988,427,042,573.92
  5. Step 5: Solve for x
    x = 4,988,427,042,573.92/2,558,719.89
  6. Step 6: Final answer
    x = 1,949,579.19

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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.