Home / 1,211,176.60-1,816,764.90-1,131,861.40

Finding the Fourth Proportional to 1,211,176.60, 1,816,764.90 and 1,131,861.40

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Solution

The fourth proportional to 1,211,176.60, 1,816,764.90 and 1,131,861.40 is: 1,697,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,176.60 : 1,816,764.90 = 1,131,861.40 : x
  2. Step 2: Convert to fraction form
    1,211,176.60/1,816,764.90 = 1,131,861.40/x
  3. Step 3: Cross multiply
    1,211,176.60x = 1,816,764.90 × 1,131,861.40
  4. Step 4: Simplify right side
    1,211,176.60x = 2,056,326,063,184.86
  5. Step 5: Solve for x
    x = 2,056,326,063,184.86/1,211,176.60
  6. Step 6: Final answer
    x = 1,697,792.10

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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.