Home / 1,219,739.75-1,683,277.74-675,824.64

Finding the Fourth Proportional to 1,219,739.75, 1,683,277.74 and 675,824.64

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Solution

The fourth proportional to 1,219,739.75, 1,683,277.74 and 675,824.64 is: 932,658.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,739.75 : 1,683,277.74 = 675,824.64 : x
  2. Step 2: Convert to fraction form
    1,219,739.75/1,683,277.74 = 675,824.64/x
  3. Step 3: Cross multiply
    1,219,739.75x = 1,683,277.74 × 675,824.64
  4. Step 4: Simplify right side
    1,219,739.75x = 1,137,600,572,655.51
  5. Step 5: Solve for x
    x = 1,137,600,572,655.51/1,219,739.75
  6. Step 6: Final answer
    x = 932,658.44

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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.