Home / 1,219,299.64-1,682,611.47-675,433.74

Finding the Fourth Proportional to 1,219,299.64, 1,682,611.47 and 675,433.74

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Solution

The fourth proportional to 1,219,299.64, 1,682,611.47 and 675,433.74 is: 932,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,299.64 : 1,682,611.47 = 675,433.74 : x
  2. Step 2: Convert to fraction form
    1,219,299.64/1,682,611.47 = 675,433.74/x
  3. Step 3: Cross multiply
    1,219,299.64x = 1,682,611.47 × 675,433.74
  4. Step 4: Simplify right side
    1,219,299.64x = 1,136,492,558,149.00
  5. Step 5: Solve for x
    x = 1,136,492,558,149.00/1,219,299.64
  6. Step 6: Final answer
    x = 932,086.36

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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.