Home / 1,314,647.28-1,814,213.34-711,035.28

Finding the Fourth Proportional to 1,314,647.28, 1,814,213.34 and 711,035.28

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Solution

The fourth proportional to 1,314,647.28, 1,814,213.34 and 711,035.28 is: 981,228.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,647.28 : 1,814,213.34 = 711,035.28 : x
  2. Step 2: Convert to fraction form
    1,314,647.28/1,814,213.34 = 711,035.28/x
  3. Step 3: Cross multiply
    1,314,647.28x = 1,814,213.34 × 711,035.28
  4. Step 4: Simplify right side
    1,314,647.28x = 1,289,969,690,186.64
  5. Step 5: Solve for x
    x = 1,289,969,690,186.64/1,314,647.28
  6. Step 6: Final answer
    x = 981,228.74

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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.