Home / 1,257,240.64-1,886,037.78-404,026.60

Finding the Fourth Proportional to 1,257,240.64, 1,886,037.78 and 404,026.60

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Solution

The fourth proportional to 1,257,240.64, 1,886,037.78 and 404,026.60 is: 606,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,240.64 : 1,886,037.78 = 404,026.60 : x
  2. Step 2: Convert to fraction form
    1,257,240.64/1,886,037.78 = 404,026.60/x
  3. Step 3: Cross multiply
    1,257,240.64x = 1,886,037.78 × 404,026.60
  4. Step 4: Simplify right side
    1,257,240.64x = 762,009,431,724.95
  5. Step 5: Solve for x
    x = 762,009,431,724.95/1,257,240.64
  6. Step 6: Final answer
    x = 606,096.72

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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.