Home / 1,272,784.56-1,756,449.12-699,861.60

Finding the Fourth Proportional to 1,272,784.56, 1,756,449.12 and 699,861.60

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Solution

The fourth proportional to 1,272,784.56, 1,756,449.12 and 699,861.60 is: 965,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,784.56 : 1,756,449.12 = 699,861.60 : x
  2. Step 2: Convert to fraction form
    1,272,784.56/1,756,449.12 = 699,861.60/x
  3. Step 3: Cross multiply
    1,272,784.56x = 1,756,449.12 × 699,861.60
  4. Step 4: Simplify right side
    1,272,784.56x = 1,229,271,291,441.79
  5. Step 5: Solve for x
    x = 1,229,271,291,441.79/1,272,784.56
  6. Step 6: Final answer
    x = 965,812.54

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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.