Home / 808,840.60-1,213,260.90-622,216.60

Finding the Fourth Proportional to 808,840.60, 1,213,260.90 and 622,216.60

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Solution

The fourth proportional to 808,840.60, 1,213,260.90 and 622,216.60 is: 933,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,840.60 : 1,213,260.90 = 622,216.60 : x
  2. Step 2: Convert to fraction form
    808,840.60/1,213,260.90 = 622,216.60/x
  3. Step 3: Cross multiply
    808,840.60x = 1,213,260.90 × 622,216.60
  4. Step 4: Simplify right side
    808,840.60x = 754,911,072,110.94
  5. Step 5: Solve for x
    x = 754,911,072,110.94/808,840.60
  6. Step 6: Final answer
    x = 933,324.90

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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.