Home / 892,407.16-1,231,165.74-570,033.64

Finding the Fourth Proportional to 892,407.16, 1,231,165.74 and 570,033.64

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Solution

The fourth proportional to 892,407.16, 1,231,165.74 and 570,033.64 is: 786,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,407.16 : 1,231,165.74 = 570,033.64 : x
  2. Step 2: Convert to fraction form
    892,407.16/1,231,165.74 = 570,033.64/x
  3. Step 3: Cross multiply
    892,407.16x = 1,231,165.74 × 570,033.64
  4. Step 4: Simplify right side
    892,407.16x = 701,805,888,215.49
  5. Step 5: Solve for x
    x = 701,805,888,215.49/892,407.16
  6. Step 6: Final answer
    x = 786,418.93

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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.