Home / 1,284,580.86-1,772,697.87-711,608.46

Finding the Fourth Proportional to 1,284,580.86, 1,772,697.87 and 711,608.46

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Solution

The fourth proportional to 1,284,580.86, 1,772,697.87 and 711,608.46 is: 982,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,580.86 : 1,772,697.87 = 711,608.46 : x
  2. Step 2: Convert to fraction form
    1,284,580.86/1,772,697.87 = 711,608.46/x
  3. Step 3: Cross multiply
    1,284,580.86x = 1,772,697.87 × 711,608.46
  4. Step 4: Simplify right side
    1,284,580.86x = 1,261,466,801,315.98
  5. Step 5: Solve for x
    x = 1,261,466,801,315.98/1,284,580.86
  6. Step 6: Final answer
    x = 982,006.54

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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.