Home / 809,053.20-1,214,017.20-335,786.40

Finding the Fourth Proportional to 809,053.20, 1,214,017.20 and 335,786.40

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Solution

The fourth proportional to 809,053.20, 1,214,017.20 and 335,786.40 is: 503,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,053.20 : 1,214,017.20 = 335,786.40 : x
  2. Step 2: Convert to fraction form
    809,053.20/1,214,017.20 = 335,786.40/x
  3. Step 3: Cross multiply
    809,053.20x = 1,214,017.20 × 335,786.40
  4. Step 4: Simplify right side
    809,053.20x = 407,650,465,126.08
  5. Step 5: Solve for x
    x = 407,650,465,126.08/809,053.20
  6. Step 6: Final answer
    x = 503,861.14

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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.