Home / 549,583.39-824,379.48-212,662.54

Finding the Fourth Proportional to 549,583.39, 824,379.48 and 212,662.54

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Solution

The fourth proportional to 549,583.39, 824,379.48 and 212,662.54 is: 318,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,583.39 : 824,379.48 = 212,662.54 : x
  2. Step 2: Convert to fraction form
    549,583.39/824,379.48 = 212,662.54/x
  3. Step 3: Cross multiply
    549,583.39x = 824,379.48 × 212,662.54
  4. Step 4: Simplify right side
    549,583.39x = 175,314,634,140.68
  5. Step 5: Solve for x
    x = 175,314,634,140.68/549,583.39
  6. Step 6: Final answer
    x = 318,995.51

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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.