Home / 549,460.37-758,257.65-320,174.96

Finding the Fourth Proportional to 549,460.37, 758,257.65 and 320,174.96

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Solution

The fourth proportional to 549,460.37, 758,257.65 and 320,174.96 is: 441,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,460.37 : 758,257.65 = 320,174.96 : x
  2. Step 2: Convert to fraction form
    549,460.37/758,257.65 = 320,174.96/x
  3. Step 3: Cross multiply
    549,460.37x = 758,257.65 × 320,174.96
  4. Step 4: Simplify right side
    549,460.37x = 242,775,108,967.16
  5. Step 5: Solve for x
    x = 242,775,108,967.16/549,460.37
  6. Step 6: Final answer
    x = 441,842.80

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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.