Home / 441,965.40-663,293.70-205,337.40

Finding the Fourth Proportional to 441,965.40, 663,293.70 and 205,337.40

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Solution

The fourth proportional to 441,965.40, 663,293.70 and 205,337.40 is: 308,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,965.40 : 663,293.70 = 205,337.40 : x
  2. Step 2: Convert to fraction form
    441,965.40/663,293.70 = 205,337.40/x
  3. Step 3: Cross multiply
    441,965.40x = 663,293.70 × 205,337.40
  4. Step 4: Simplify right side
    441,965.40x = 136,199,003,794.38
  5. Step 5: Solve for x
    x = 136,199,003,794.38/441,965.40
  6. Step 6: Final answer
    x = 308,166.67

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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.