Home / 892,857.47-1,232,079.59-505,561.64

Finding the Fourth Proportional to 892,857.47, 1,232,079.59 and 505,561.64

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Solution

The fourth proportional to 892,857.47, 1,232,079.59 and 505,561.64 is: 697,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,857.47 : 1,232,079.59 = 505,561.64 : x
  2. Step 2: Convert to fraction form
    892,857.47/1,232,079.59 = 505,561.64/x
  3. Step 3: Cross multiply
    892,857.47x = 1,232,079.59 × 505,561.64
  4. Step 4: Simplify right side
    892,857.47x = 622,892,173,234.43
  5. Step 5: Solve for x
    x = 622,892,173,234.43/892,857.47
  6. Step 6: Final answer
    x = 697,638.98

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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.