Home / 433,454.40-649,977.48-281,405.52

Finding the Fourth Proportional to 433,454.40, 649,977.48 and 281,405.52

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Solution

The fourth proportional to 433,454.40, 649,977.48 and 281,405.52 is: 421,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,454.40 : 649,977.48 = 281,405.52 : x
  2. Step 2: Convert to fraction form
    433,454.40/649,977.48 = 281,405.52/x
  3. Step 3: Cross multiply
    433,454.40x = 649,977.48 × 281,405.52
  4. Step 4: Simplify right side
    433,454.40x = 182,907,250,747.69
  5. Step 5: Solve for x
    x = 182,907,250,747.69/433,454.40
  6. Step 6: Final answer
    x = 421,975.76

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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.