Home / 1,406,452.11-1,940,913.26-761,872.33

Finding the Fourth Proportional to 1,406,452.11, 1,940,913.26 and 761,872.33

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Solution

The fourth proportional to 1,406,452.11, 1,940,913.26 and 761,872.33 is: 1,051,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,452.11 : 1,940,913.26 = 761,872.33 : x
  2. Step 2: Convert to fraction form
    1,406,452.11/1,940,913.26 = 761,872.33/x
  3. Step 3: Cross multiply
    1,406,452.11x = 1,940,913.26 × 761,872.33
  4. Step 4: Simplify right side
    1,406,452.11x = 1,478,728,107,724.10
  5. Step 5: Solve for x
    x = 1,478,728,107,724.10/1,406,452.11
  6. Step 6: Final answer
    x = 1,051,388.88

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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.