Home / 1,405,601.91-1,939,728.06-761,022

Finding the Fourth Proportional to 1,405,601.91, 1,939,728.06 and 761,022

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Solution

The fourth proportional to 1,405,601.91, 1,939,728.06 and 761,022 is: 1,050,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,601.91 : 1,939,728.06 = 761,022 : x
  2. Step 2: Convert to fraction form
    1,405,601.91/1,939,728.06 = 761,022/x
  3. Step 3: Cross multiply
    1,405,601.91x = 1,939,728.06 × 761,022
  4. Step 4: Simplify right side
    1,405,601.91x = 1,476,175,727,677.32
  5. Step 5: Solve for x
    x = 1,476,175,727,677.32/1,405,601.91
  6. Step 6: Final answer
    x = 1,050,208.97

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1.5x scale

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.