Home / 433,401.20-649,842.60-223,449.20

Finding the Fourth Proportional to 433,401.20, 649,842.60 and 223,449.20

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Solution

The fourth proportional to 433,401.20, 649,842.60 and 223,449.20 is: 335,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,401.20 : 649,842.60 = 223,449.20 : x
  2. Step 2: Convert to fraction form
    433,401.20/649,842.60 = 223,449.20/x
  3. Step 3: Cross multiply
    433,401.20x = 649,842.60 × 223,449.20
  4. Step 4: Simplify right side
    433,401.20x = 145,206,809,095.92
  5. Step 5: Solve for x
    x = 145,206,809,095.92/433,401.20
  6. Step 6: Final answer
    x = 335,040.16

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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.