Home / 1,346,641.70-2,019,962.55-1,222,638.80

Finding the Fourth Proportional to 1,346,641.70, 2,019,962.55 and 1,222,638.80

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Solution

The fourth proportional to 1,346,641.70, 2,019,962.55 and 1,222,638.80 is: 1,833,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,641.70 : 2,019,962.55 = 1,222,638.80 : x
  2. Step 2: Convert to fraction form
    1,346,641.70/2,019,962.55 = 1,222,638.80/x
  3. Step 3: Cross multiply
    1,346,641.70x = 2,019,962.55 × 1,222,638.80
  4. Step 4: Simplify right side
    1,346,641.70x = 2,469,684,588,176.94
  5. Step 5: Solve for x
    x = 2,469,684,588,176.94/1,346,641.70
  6. Step 6: Final answer
    x = 1,833,958.20

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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.