Home / 892,715.41-1,231,647.55-505,477.91

Finding the Fourth Proportional to 892,715.41, 1,231,647.55 and 505,477.91

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Solution

The fourth proportional to 892,715.41, 1,231,647.55 and 505,477.91 is: 697,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,715.41 : 1,231,647.55 = 505,477.91 : x
  2. Step 2: Convert to fraction form
    892,715.41/1,231,647.55 = 505,477.91/x
  3. Step 3: Cross multiply
    892,715.41x = 1,231,647.55 × 505,477.91
  4. Step 4: Simplify right side
    892,715.41x = 622,570,626,903.23
  5. Step 5: Solve for x
    x = 622,570,626,903.23/892,715.41
  6. Step 6: Final answer
    x = 697,389.81

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1.5x scale

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.