Home / 1,396,722.36-1,927,333.22-784,777.88

Finding the Fourth Proportional to 1,396,722.36, 1,927,333.22 and 784,777.88

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Solution

The fourth proportional to 1,396,722.36, 1,927,333.22 and 784,777.88 is: 1,082,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,722.36 : 1,927,333.22 = 784,777.88 : x
  2. Step 2: Convert to fraction form
    1,396,722.36/1,927,333.22 = 784,777.88/x
  3. Step 3: Cross multiply
    1,396,722.36x = 1,927,333.22 × 784,777.88
  4. Step 4: Simplify right side
    1,396,722.36x = 1,512,528,478,445.17
  5. Step 5: Solve for x
    x = 1,512,528,478,445.17/1,396,722.36
  6. Step 6: Final answer
    x = 1,082,912.77

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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.