Home / 701,122.40-1,051,683.60-620,021.60

Finding the Fourth Proportional to 701,122.40, 1,051,683.60 and 620,021.60

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Solution

The fourth proportional to 701,122.40, 1,051,683.60 and 620,021.60 is: 930,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,122.40 : 1,051,683.60 = 620,021.60 : x
  2. Step 2: Convert to fraction form
    701,122.40/1,051,683.60 = 620,021.60/x
  3. Step 3: Cross multiply
    701,122.40x = 1,051,683.60 × 620,021.60
  4. Step 4: Simplify right side
    701,122.40x = 652,066,548,365.76
  5. Step 5: Solve for x
    x = 652,066,548,365.76/701,122.40
  6. Step 6: Final answer
    x = 930,032.40

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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.