Home / 651,246.06-898,767.22-393,186.54

Finding the Fourth Proportional to 651,246.06, 898,767.22 and 393,186.54

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Solution

The fourth proportional to 651,246.06, 898,767.22 and 393,186.54 is: 542,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,246.06 : 898,767.22 = 393,186.54 : x
  2. Step 2: Convert to fraction form
    651,246.06/898,767.22 = 393,186.54/x
  3. Step 3: Cross multiply
    651,246.06x = 898,767.22 × 393,186.54
  4. Step 4: Simplify right side
    651,246.06x = 353,383,173,497.22
  5. Step 5: Solve for x
    x = 353,383,173,497.22/651,246.06
  6. Step 6: Final answer
    x = 542,626.20

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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.