Home / 1,216,782.91-1,678,653.04-700,413.25

Finding the Fourth Proportional to 1,216,782.91, 1,678,653.04 and 700,413.25

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Solution

The fourth proportional to 1,216,782.91, 1,678,653.04 and 700,413.25 is: 966,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,782.91 : 1,678,653.04 = 700,413.25 : x
  2. Step 2: Convert to fraction form
    1,216,782.91/1,678,653.04 = 700,413.25/x
  3. Step 3: Cross multiply
    1,216,782.91x = 1,678,653.04 × 700,413.25
  4. Step 4: Simplify right side
    1,216,782.91x = 1,175,750,831,368.78
  5. Step 5: Solve for x
    x = 1,175,750,831,368.78/1,216,782.91
  6. Step 6: Final answer
    x = 966,278.23

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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.