Home / 939,005.67-1,406,104.43-517,814.31

Finding the Fourth Proportional to 939,005.67, 1,406,104.43 and 517,814.31

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Solution

The fourth proportional to 939,005.67, 1,406,104.43 and 517,814.31 is: 775,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,005.67 : 1,406,104.43 = 517,814.31 : x
  2. Step 2: Convert to fraction form
    939,005.67/1,406,104.43 = 517,814.31/x
  3. Step 3: Cross multiply
    939,005.67x = 1,406,104.43 × 517,814.31
  4. Step 4: Simplify right side
    939,005.67x = 728,100,992,619.32
  5. Step 5: Solve for x
    x = 728,100,992,619.32/939,005.67
  6. Step 6: Final answer
    x = 775,395.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.