Home / 808,618.20-1,213,364.70-335,351.40

Finding the Fourth Proportional to 808,618.20, 1,213,364.70 and 335,351.40

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Solution

The fourth proportional to 808,618.20, 1,213,364.70 and 335,351.40 is: 503,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,618.20 : 1,213,364.70 = 335,351.40 : x
  2. Step 2: Convert to fraction form
    808,618.20/1,213,364.70 = 335,351.40/x
  3. Step 3: Cross multiply
    808,618.20x = 1,213,364.70 × 335,351.40
  4. Step 4: Simplify right side
    808,618.20x = 406,903,550,855.58
  5. Step 5: Solve for x
    x = 406,903,550,855.58/808,618.20
  6. Step 6: Final answer
    x = 503,208.50

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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.