Home / 397,828.55-549,074.55-254,583.69

Finding the Fourth Proportional to 397,828.55, 549,074.55 and 254,583.69

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Solution

The fourth proportional to 397,828.55, 549,074.55 and 254,583.69 is: 351,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,828.55 : 549,074.55 = 254,583.69 : x
  2. Step 2: Convert to fraction form
    397,828.55/549,074.55 = 254,583.69/x
  3. Step 3: Cross multiply
    397,828.55x = 549,074.55 × 254,583.69
  4. Step 4: Simplify right side
    397,828.55x = 139,785,425,024.09
  5. Step 5: Solve for x
    x = 139,785,425,024.09/397,828.55
  6. Step 6: Final answer
    x = 351,371.03

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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.