Home / 806,518.70-1,209,778.09-333,216.35

Finding the Fourth Proportional to 806,518.70, 1,209,778.09 and 333,216.35

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Solution

The fourth proportional to 806,518.70, 1,209,778.09 and 333,216.35 is: 499,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,518.70 : 1,209,778.09 = 333,216.35 : x
  2. Step 2: Convert to fraction form
    806,518.70/1,209,778.09 = 333,216.35/x
  3. Step 3: Cross multiply
    806,518.70x = 1,209,778.09 × 333,216.35
  4. Step 4: Simplify right side
    806,518.70x = 403,117,839,459.77
  5. Step 5: Solve for x
    x = 403,117,839,459.77/806,518.70
  6. Step 6: Final answer
    x = 499,824.54

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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.