Home / 1,396,293.01-1,926,892.07-784,471.57

Finding the Fourth Proportional to 1,396,293.01, 1,926,892.07 and 784,471.57

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Solution

The fourth proportional to 1,396,293.01, 1,926,892.07 and 784,471.57 is: 1,082,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,293.01 : 1,926,892.07 = 784,471.57 : x
  2. Step 2: Convert to fraction form
    1,396,293.01/1,926,892.07 = 784,471.57/x
  3. Step 3: Cross multiply
    1,396,293.01x = 1,926,892.07 × 784,471.57
  4. Step 4: Simplify right side
    1,396,293.01x = 1,511,592,047,373.45
  5. Step 5: Solve for x
    x = 1,511,592,047,373.45/1,396,293.01
  6. Step 6: Final answer
    x = 1,082,575.10

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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.