Home / 1,259,803.54-1,738,539.06-686,847.88

Finding the Fourth Proportional to 1,259,803.54, 1,738,539.06 and 686,847.88

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Solution

The fourth proportional to 1,259,803.54, 1,738,539.06 and 686,847.88 is: 947,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,803.54 : 1,738,539.06 = 686,847.88 : x
  2. Step 2: Convert to fraction form
    1,259,803.54/1,738,539.06 = 686,847.88/x
  3. Step 3: Cross multiply
    1,259,803.54x = 1,738,539.06 × 686,847.88
  4. Step 4: Simplify right side
    1,259,803.54x = 1,194,111,867,658.19
  5. Step 5: Solve for x
    x = 1,194,111,867,658.19/1,259,803.54
  6. Step 6: Final answer
    x = 947,855.62

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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.