Home / 1,259,486.94-1,889,238.90-460,439.76

Finding the Fourth Proportional to 1,259,486.94, 1,889,238.90 and 460,439.76

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Solution

The fourth proportional to 1,259,486.94, 1,889,238.90 and 460,439.76 is: 690,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,486.94 : 1,889,238.90 = 460,439.76 : x
  2. Step 2: Convert to fraction form
    1,259,486.94/1,889,238.90 = 460,439.76/x
  3. Step 3: Cross multiply
    1,259,486.94x = 1,889,238.90 × 460,439.76
  4. Step 4: Simplify right side
    1,259,486.94x = 869,880,705,698.66
  5. Step 5: Solve for x
    x = 869,880,705,698.66/1,259,486.94
  6. Step 6: Final answer
    x = 690,662.74

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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.