Home / 1,212,668.78-1,818,692.89-359,540.93

Finding the Fourth Proportional to 1,212,668.78, 1,818,692.89 and 359,540.93

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Solution

The fourth proportional to 1,212,668.78, 1,818,692.89 and 359,540.93 is: 539,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,668.78 : 1,818,692.89 = 359,540.93 : x
  2. Step 2: Convert to fraction form
    1,212,668.78/1,818,692.89 = 359,540.93/x
  3. Step 3: Cross multiply
    1,212,668.78x = 1,818,692.89 × 359,540.93
  4. Step 4: Simplify right side
    1,212,668.78x = 653,894,536,702.87
  5. Step 5: Solve for x
    x = 653,894,536,702.87/1,212,668.78
  6. Step 6: Final answer
    x = 539,219.41

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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.