Home / 1,116,917.50-1,675,099.45-318,205.96

Finding the Fourth Proportional to 1,116,917.50, 1,675,099.45 and 318,205.96

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Solution

The fourth proportional to 1,116,917.50, 1,675,099.45 and 318,205.96 is: 477,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,917.50 : 1,675,099.45 = 318,205.96 : x
  2. Step 2: Convert to fraction form
    1,116,917.50/1,675,099.45 = 318,205.96/x
  3. Step 3: Cross multiply
    1,116,917.50x = 1,675,099.45 × 318,205.96
  4. Step 4: Simplify right side
    1,116,917.50x = 533,026,629,951.41
  5. Step 5: Solve for x
    x = 533,026,629,951.41/1,116,917.50
  6. Step 6: Final answer
    x = 477,230.08

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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.