Home / 1,405,681.44-1,939,832.16-761,088.30

Finding the Fourth Proportional to 1,405,681.44, 1,939,832.16 and 761,088.30

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Solution

The fourth proportional to 1,405,681.44, 1,939,832.16 and 761,088.30 is: 1,050,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,681.44 : 1,939,832.16 = 761,088.30 : x
  2. Step 2: Convert to fraction form
    1,405,681.44/1,939,832.16 = 761,088.30/x
  3. Step 3: Cross multiply
    1,405,681.44x = 1,939,832.16 × 761,088.30
  4. Step 4: Simplify right side
    1,405,681.44x = 1,476,383,560,939.73
  5. Step 5: Solve for x
    x = 1,476,383,560,939.73/1,405,681.44
  6. Step 6: Final answer
    x = 1,050,297.40

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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.