Home / 892,345.32-1,230,980.40-569,716.44

Finding the Fourth Proportional to 892,345.32, 1,230,980.40 and 569,716.44

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Solution

The fourth proportional to 892,345.32, 1,230,980.40 and 569,716.44 is: 785,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,345.32 : 1,230,980.40 = 569,716.44 : x
  2. Step 2: Convert to fraction form
    892,345.32/1,230,980.40 = 569,716.44/x
  3. Step 3: Cross multiply
    892,345.32x = 1,230,980.40 × 569,716.44
  4. Step 4: Simplify right side
    892,345.32x = 701,309,771,197.78
  5. Step 5: Solve for x
    x = 701,309,771,197.78/892,345.32
  6. Step 6: Final answer
    x = 785,917.46

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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.