Home / 1,116,874.62-1,675,290.33-318,161.34

Finding the Fourth Proportional to 1,116,874.62, 1,675,290.33 and 318,161.34

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Solution

The fourth proportional to 1,116,874.62, 1,675,290.33 and 318,161.34 is: 477,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,874.62 : 1,675,290.33 = 318,161.34 : x
  2. Step 2: Convert to fraction form
    1,116,874.62/1,675,290.33 = 318,161.34/x
  3. Step 3: Cross multiply
    1,116,874.62x = 1,675,290.33 × 318,161.34
  4. Step 4: Simplify right side
    1,116,874.62x = 533,012,616,281.84
  5. Step 5: Solve for x
    x = 533,012,616,281.84/1,116,874.62
  6. Step 6: Final answer
    x = 477,235.86

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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.