Home / 549,306.54-823,981.68-170,266.64

Finding the Fourth Proportional to 549,306.54, 823,981.68 and 170,266.64

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Solution

The fourth proportional to 549,306.54, 823,981.68 and 170,266.64 is: 255,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,306.54 : 823,981.68 = 170,266.64 : x
  2. Step 2: Convert to fraction form
    549,306.54/823,981.68 = 170,266.64/x
  3. Step 3: Cross multiply
    549,306.54x = 823,981.68 × 170,266.64
  4. Step 4: Simplify right side
    549,306.54x = 140,296,587,955.25
  5. Step 5: Solve for x
    x = 140,296,587,955.25/549,306.54
  6. Step 6: Final answer
    x = 255,406.73

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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.