Home / 1,188,851.83-1,783,413.07-431,050.18

Finding the Fourth Proportional to 1,188,851.83, 1,783,413.07 and 431,050.18

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Solution

The fourth proportional to 1,188,851.83, 1,783,413.07 and 431,050.18 is: 646,624.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,851.83 : 1,783,413.07 = 431,050.18 : x
  2. Step 2: Convert to fraction form
    1,188,851.83/1,783,413.07 = 431,050.18/x
  3. Step 3: Cross multiply
    1,188,851.83x = 1,783,413.07 × 431,050.18
  4. Step 4: Simplify right side
    1,188,851.83x = 768,740,528,873.77
  5. Step 5: Solve for x
    x = 768,740,528,873.77/1,188,851.83
  6. Step 6: Final answer
    x = 646,624.34

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1.5x scale

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.