Home / 1,325,658.60-1,830,087.78-898,189.80

Finding the Fourth Proportional to 1,325,658.60, 1,830,087.78 and 898,189.80

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Solution

The fourth proportional to 1,325,658.60, 1,830,087.78 and 898,189.80 is: 1,239,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,658.60 : 1,830,087.78 = 898,189.80 : x
  2. Step 2: Convert to fraction form
    1,325,658.60/1,830,087.78 = 898,189.80/x
  3. Step 3: Cross multiply
    1,325,658.60x = 1,830,087.78 × 898,189.80
  4. Step 4: Simplify right side
    1,325,658.60x = 1,643,766,177,100.64
  5. Step 5: Solve for x
    x = 1,643,766,177,100.64/1,325,658.60
  6. Step 6: Final answer
    x = 1,239,961.92

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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.