Home / 1,140,865.80-1,574,413.50-624,611.10

Finding the Fourth Proportional to 1,140,865.80, 1,574,413.50 and 624,611.10

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Solution

The fourth proportional to 1,140,865.80, 1,574,413.50 and 624,611.10 is: 861,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,865.80 : 1,574,413.50 = 624,611.10 : x
  2. Step 2: Convert to fraction form
    1,140,865.80/1,574,413.50 = 624,611.10/x
  3. Step 3: Cross multiply
    1,140,865.80x = 1,574,413.50 × 624,611.10
  4. Step 4: Simplify right side
    1,140,865.80x = 983,396,148,089.85
  5. Step 5: Solve for x
    x = 983,396,148,089.85/1,140,865.80
  6. Step 6: Final answer
    x = 861,973.55

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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.