Home / 543,904.86-815,626.56-259,266.12

Finding the Fourth Proportional to 543,904.86, 815,626.56 and 259,266.12

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Solution

The fourth proportional to 543,904.86, 815,626.56 and 259,266.12 is: 388,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,904.86 : 815,626.56 = 259,266.12 : x
  2. Step 2: Convert to fraction form
    543,904.86/815,626.56 = 259,266.12/x
  3. Step 3: Cross multiply
    543,904.86x = 815,626.56 × 259,266.12
  4. Step 4: Simplify right side
    543,904.86x = 211,464,333,580.15
  5. Step 5: Solve for x
    x = 211,464,333,580.15/543,904.86
  6. Step 6: Final answer
    x = 388,789.20

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1.5x scale

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.