Home / 1,405,678.62-1,939,827.66-761,096.82

Finding the Fourth Proportional to 1,405,678.62, 1,939,827.66 and 761,096.82

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Solution

The fourth proportional to 1,405,678.62, 1,939,827.66 and 761,096.82 is: 1,050,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,678.62 : 1,939,827.66 = 761,096.82 : x
  2. Step 2: Convert to fraction form
    1,405,678.62/1,939,827.66 = 761,096.82/x
  3. Step 3: Cross multiply
    1,405,678.62x = 1,939,827.66 × 761,096.82
  4. Step 4: Simplify right side
    1,405,678.62x = 1,476,396,663,374.04
  5. Step 5: Solve for x
    x = 1,476,396,663,374.04/1,405,678.62
  6. Step 6: Final answer
    x = 1,050,308.83

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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.