Home / 1,691,879.67-2,334,812.01-917,511.93

Finding the Fourth Proportional to 1,691,879.67, 2,334,812.01 and 917,511.93

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Solution

The fourth proportional to 1,691,879.67, 2,334,812.01 and 917,511.93 is: 1,266,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,879.67 : 2,334,812.01 = 917,511.93 : x
  2. Step 2: Convert to fraction form
    1,691,879.67/2,334,812.01 = 917,511.93/x
  3. Step 3: Cross multiply
    1,691,879.67x = 2,334,812.01 × 917,511.93
  4. Step 4: Simplify right side
    1,691,879.67x = 2,142,217,873,482.28
  5. Step 5: Solve for x
    x = 2,142,217,873,482.28/1,691,879.67
  6. Step 6: Final answer
    x = 1,266,176.26

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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.