Home / 1,405,743.66-1,939,927.07-761,164.14

Finding the Fourth Proportional to 1,405,743.66, 1,939,927.07 and 761,164.14

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Solution

The fourth proportional to 1,405,743.66, 1,939,927.07 and 761,164.14 is: 1,050,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,743.66 : 1,939,927.07 = 761,164.14 : x
  2. Step 2: Convert to fraction form
    1,405,743.66/1,939,927.07 = 761,164.14/x
  3. Step 3: Cross multiply
    1,405,743.66x = 1,939,927.07 × 761,164.14
  4. Step 4: Simplify right side
    1,405,743.66x = 1,476,602,919,899.27
  5. Step 5: Solve for x
    x = 1,476,602,919,899.27/1,405,743.66
  6. Step 6: Final answer
    x = 1,050,406.96

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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.