Home / 1,191,975.49-1,644,913.81-887,413.87

Finding the Fourth Proportional to 1,191,975.49, 1,644,913.81 and 887,413.87

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Solution

The fourth proportional to 1,191,975.49, 1,644,913.81 and 887,413.87 is: 1,224,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,975.49 : 1,644,913.81 = 887,413.87 : x
  2. Step 2: Convert to fraction form
    1,191,975.49/1,644,913.81 = 887,413.87/x
  3. Step 3: Cross multiply
    1,191,975.49x = 1,644,913.81 × 887,413.87
  4. Step 4: Simplify right side
    1,191,975.49x = 1,459,719,325,511.48
  5. Step 5: Solve for x
    x = 1,459,719,325,511.48/1,191,975.49
  6. Step 6: Final answer
    x = 1,224,621.93

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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.