Home / 1,406,016.89-1,940,293.62-761,422.32

Finding the Fourth Proportional to 1,406,016.89, 1,940,293.62 and 761,422.32

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Solution

The fourth proportional to 1,406,016.89, 1,940,293.62 and 761,422.32 is: 1,050,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,016.89 : 1,940,293.62 = 761,422.32 : x
  2. Step 2: Convert to fraction form
    1,406,016.89/1,940,293.62 = 761,422.32/x
  3. Step 3: Cross multiply
    1,406,016.89x = 1,940,293.62 × 761,422.32
  4. Step 4: Simplify right side
    1,406,016.89x = 1,477,382,869,621.60
  5. Step 5: Solve for x
    x = 1,477,382,869,621.60/1,406,016.89
  6. Step 6: Final answer
    x = 1,050,757.56

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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.