Home / 1,205,195.88-1,807,900.20-447,045.96

Finding the Fourth Proportional to 1,205,195.88, 1,807,900.20 and 447,045.96

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Solution

The fourth proportional to 1,205,195.88, 1,807,900.20 and 447,045.96 is: 670,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,195.88 : 1,807,900.20 = 447,045.96 : x
  2. Step 2: Convert to fraction form
    1,205,195.88/1,807,900.20 = 447,045.96/x
  3. Step 3: Cross multiply
    1,205,195.88x = 1,807,900.20 × 447,045.96
  4. Step 4: Simplify right side
    1,205,195.88x = 808,214,480,493.19
  5. Step 5: Solve for x
    x = 808,214,480,493.19/1,205,195.88
  6. Step 6: Final answer
    x = 670,608.40

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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.