Home / 549,039.56-823,795.98-212,317.16

Finding the Fourth Proportional to 549,039.56, 823,795.98 and 212,317.16

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Solution

The fourth proportional to 549,039.56, 823,795.98 and 212,317.16 is: 318,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,039.56 : 823,795.98 = 212,317.16 : x
  2. Step 2: Convert to fraction form
    549,039.56/823,795.98 = 212,317.16/x
  3. Step 3: Cross multiply
    549,039.56x = 823,795.98 × 212,317.16
  4. Step 4: Simplify right side
    549,039.56x = 174,906,022,893.02
  5. Step 5: Solve for x
    x = 174,906,022,893.02/549,039.56
  6. Step 6: Final answer
    x = 318,567.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.