Home / 1,199,205-1,798,417.49-400,272.03

Finding the Fourth Proportional to 1,199,205, 1,798,417.49 and 400,272.03

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Solution

The fourth proportional to 1,199,205, 1,798,417.49 and 400,272.03 is: 600,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,205 : 1,798,417.49 = 400,272.03 : x
  2. Step 2: Convert to fraction form
    1,199,205/1,798,417.49 = 400,272.03/x
  3. Step 3: Cross multiply
    1,199,205x = 1,798,417.49 × 400,272.03
  4. Step 4: Simplify right side
    1,199,205x = 719,856,217,508.45
  5. Step 5: Solve for x
    x = 719,856,217,508.45/1,199,205
  6. Step 6: Final answer
    x = 600,277.87

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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.