Home / 1,284,626.54-1,772,655.43-711,559.64

Finding the Fourth Proportional to 1,284,626.54, 1,772,655.43 and 711,559.64

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Solution

The fourth proportional to 1,284,626.54, 1,772,655.43 and 711,559.64 is: 981,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,626.54 : 1,772,655.43 = 711,559.64 : x
  2. Step 2: Convert to fraction form
    1,284,626.54/1,772,655.43 = 711,559.64/x
  3. Step 3: Cross multiply
    1,284,626.54x = 1,772,655.43 × 711,559.64
  4. Step 4: Simplify right side
    1,284,626.54x = 1,261,350,059,614.85
  5. Step 5: Solve for x
    x = 1,261,350,059,614.85/1,284,626.54
  6. Step 6: Final answer
    x = 981,880.74

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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.