Home / 892,409.16-1,231,168.50-570,035.64

Finding the Fourth Proportional to 892,409.16, 1,231,168.50 and 570,035.64

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Solution

The fourth proportional to 892,409.16, 1,231,168.50 and 570,035.64 is: 786,421.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,409.16 : 1,231,168.50 = 570,035.64 : x
  2. Step 2: Convert to fraction form
    892,409.16/1,231,168.50 = 570,035.64/x
  3. Step 3: Cross multiply
    892,409.16x = 1,231,168.50 × 570,035.64
  4. Step 4: Simplify right side
    892,409.16x = 701,809,923,845.34
  5. Step 5: Solve for x
    x = 701,809,923,845.34/892,409.16
  6. Step 6: Final answer
    x = 786,421.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.