Home / 1,109,413.60-1,530,996.87-619,405.27

Finding the Fourth Proportional to 1,109,413.60, 1,530,996.87 and 619,405.27

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Solution

The fourth proportional to 1,109,413.60, 1,530,996.87 and 619,405.27 is: 854,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,413.60 : 1,530,996.87 = 619,405.27 : x
  2. Step 2: Convert to fraction form
    1,109,413.60/1,530,996.87 = 619,405.27/x
  3. Step 3: Cross multiply
    1,109,413.60x = 1,530,996.87 × 619,405.27
  4. Step 4: Simplify right side
    1,109,413.60x = 948,307,529,631.51
  5. Step 5: Solve for x
    x = 948,307,529,631.51/1,109,413.60
  6. Step 6: Final answer
    x = 854,782.68

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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.