Home / 909,912.70-1,365,853.20-573,333.40

Finding the Fourth Proportional to 909,912.70, 1,365,853.20 and 573,333.40

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Solution

The fourth proportional to 909,912.70, 1,365,853.20 and 573,333.40 is: 860,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,912.70 : 1,365,853.20 = 573,333.40 : x
  2. Step 2: Convert to fraction form
    909,912.70/1,365,853.20 = 573,333.40/x
  3. Step 3: Cross multiply
    909,912.70x = 1,365,853.20 × 573,333.40
  4. Step 4: Simplify right side
    909,912.70x = 783,089,259,056.88
  5. Step 5: Solve for x
    x = 783,089,259,056.88/909,912.70
  6. Step 6: Final answer
    x = 860,620.21

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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.