Home / 808,858.40-1,213,287.60-798,360.80

Finding the Fourth Proportional to 808,858.40, 1,213,287.60 and 798,360.80

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Solution

The fourth proportional to 808,858.40, 1,213,287.60 and 798,360.80 is: 1,197,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,858.40 : 1,213,287.60 = 798,360.80 : x
  2. Step 2: Convert to fraction form
    808,858.40/1,213,287.60 = 798,360.80/x
  3. Step 3: Cross multiply
    808,858.40x = 1,213,287.60 × 798,360.80
  4. Step 4: Simplify right side
    808,858.40x = 968,641,258,966.08
  5. Step 5: Solve for x
    x = 968,641,258,966.08/808,858.40
  6. Step 6: Final answer
    x = 1,197,541.20

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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.