Home / 1,396,082.79-1,926,602.01-784,261.44

Finding the Fourth Proportional to 1,396,082.79, 1,926,602.01 and 784,261.44

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Solution

The fourth proportional to 1,396,082.79, 1,926,602.01 and 784,261.44 is: 1,082,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,082.79 : 1,926,602.01 = 784,261.44 : x
  2. Step 2: Convert to fraction form
    1,396,082.79/1,926,602.01 = 784,261.44/x
  3. Step 3: Cross multiply
    1,396,082.79x = 1,926,602.01 × 784,261.44
  4. Step 4: Simplify right side
    1,396,082.79x = 1,510,959,666,669.49
  5. Step 5: Solve for x
    x = 1,510,959,666,669.49/1,396,082.79
  6. Step 6: Final answer
    x = 1,082,285.15

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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.