Home / 649,074.40-973,438.80-199,794.40

Finding the Fourth Proportional to 649,074.40, 973,438.80 and 199,794.40

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Solution

The fourth proportional to 649,074.40, 973,438.80 and 199,794.40 is: 299,638.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,074.40 : 973,438.80 = 199,794.40 : x
  2. Step 2: Convert to fraction form
    649,074.40/973,438.80 = 199,794.40/x
  3. Step 3: Cross multiply
    649,074.40x = 973,438.80 × 199,794.40
  4. Step 4: Simplify right side
    649,074.40x = 194,487,620,982.72
  5. Step 5: Solve for x
    x = 194,487,620,982.72/649,074.40
  6. Step 6: Final answer
    x = 299,638.41

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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.