Home / 892,459.44-1,231,137.72-569,830.32

Finding the Fourth Proportional to 892,459.44, 1,231,137.72 and 569,830.32

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Solution

The fourth proportional to 892,459.44, 1,231,137.72 and 569,830.32 is: 786,074.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,459.44 : 1,231,137.72 = 569,830.32 : x
  2. Step 2: Convert to fraction form
    892,459.44/1,231,137.72 = 569,830.32/x
  3. Step 3: Cross multiply
    892,459.44x = 1,231,137.72 × 569,830.32
  4. Step 4: Simplify right side
    892,459.44x = 701,539,600,951.67
  5. Step 5: Solve for x
    x = 701,539,600,951.67/892,459.44
  6. Step 6: Final answer
    x = 786,074.49

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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.