Home / 1,219,188.03-1,682,461.71-675,322.05

Finding the Fourth Proportional to 1,219,188.03, 1,682,461.71 and 675,322.05

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Solution

The fourth proportional to 1,219,188.03, 1,682,461.71 and 675,322.05 is: 931,934.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,188.03 : 1,682,461.71 = 675,322.05 : x
  2. Step 2: Convert to fraction form
    1,219,188.03/1,682,461.71 = 675,322.05/x
  3. Step 3: Cross multiply
    1,219,188.03x = 1,682,461.71 × 675,322.05
  4. Step 4: Simplify right side
    1,219,188.03x = 1,136,203,491,043.71
  5. Step 5: Solve for x
    x = 1,136,203,491,043.71/1,219,188.03
  6. Step 6: Final answer
    x = 931,934.59

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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.