Home / 945,986.20-1,416,905.70-821,570.20

Finding the Fourth Proportional to 945,986.20, 1,416,905.70 and 821,570.20

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Solution

The fourth proportional to 945,986.20, 1,416,905.70 and 821,570.20 is: 1,230,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,986.20 : 1,416,905.70 = 821,570.20 : x
  2. Step 2: Convert to fraction form
    945,986.20/1,416,905.70 = 821,570.20/x
  3. Step 3: Cross multiply
    945,986.20x = 1,416,905.70 × 821,570.20
  4. Step 4: Simplify right side
    945,986.20x = 1,164,087,499,330.14
  5. Step 5: Solve for x
    x = 1,164,087,499,330.14/945,986.20
  6. Step 6: Final answer
    x = 1,230,554.42

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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.