Home / 1,117,985.93-1,543,779.66-1,081,833.41

Finding the Fourth Proportional to 1,117,985.93, 1,543,779.66 and 1,081,833.41

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Solution

The fourth proportional to 1,117,985.93, 1,543,779.66 and 1,081,833.41 is: 1,493,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,985.93 : 1,543,779.66 = 1,081,833.41 : x
  2. Step 2: Convert to fraction form
    1,117,985.93/1,543,779.66 = 1,081,833.41/x
  3. Step 3: Cross multiply
    1,117,985.93x = 1,543,779.66 × 1,081,833.41
  4. Step 4: Simplify right side
    1,117,985.93x = 1,670,112,406,147.54
  5. Step 5: Solve for x
    x = 1,670,112,406,147.54/1,117,985.93
  6. Step 6: Final answer
    x = 1,493,858.17

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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.