Home / 804,172.80-1,109,847.08-460,040.44

Finding the Fourth Proportional to 804,172.80, 1,109,847.08 and 460,040.44

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Solution

The fourth proportional to 804,172.80, 1,109,847.08 and 460,040.44 is: 634,906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,172.80 : 1,109,847.08 = 460,040.44 : x
  2. Step 2: Convert to fraction form
    804,172.80/1,109,847.08 = 460,040.44/x
  3. Step 3: Cross multiply
    804,172.80x = 1,109,847.08 × 460,040.44
  4. Step 4: Simplify right side
    804,172.80x = 510,574,539,015.92
  5. Step 5: Solve for x
    x = 510,574,539,015.92/804,172.80
  6. Step 6: Final answer
    x = 634,906.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.