Home / 1,298,813.08-1,948,413.26-400,179.64

Finding the Fourth Proportional to 1,298,813.08, 1,948,413.26 and 400,179.64

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Solution

The fourth proportional to 1,298,813.08, 1,948,413.26 and 400,179.64 is: 600,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,813.08 : 1,948,413.26 = 400,179.64 : x
  2. Step 2: Convert to fraction form
    1,298,813.08/1,948,413.26 = 400,179.64/x
  3. Step 3: Cross multiply
    1,298,813.08x = 1,948,413.26 × 400,179.64
  4. Step 4: Simplify right side
    1,298,813.08x = 779,715,316,958.03
  5. Step 5: Solve for x
    x = 779,715,316,958.03/1,298,813.08
  6. Step 6: Final answer
    x = 600,329.12

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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.