Home / 699,070.62-964,413.90-444,285.12

Finding the Fourth Proportional to 699,070.62, 964,413.90 and 444,285.12

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Solution

The fourth proportional to 699,070.62, 964,413.90 and 444,285.12 is: 612,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,070.62 : 964,413.90 = 444,285.12 : x
  2. Step 2: Convert to fraction form
    699,070.62/964,413.90 = 444,285.12/x
  3. Step 3: Cross multiply
    699,070.62x = 964,413.90 × 444,285.12
  4. Step 4: Simplify right side
    699,070.62x = 428,474,745,291.17
  5. Step 5: Solve for x
    x = 428,474,745,291.17/699,070.62
  6. Step 6: Final answer
    x = 612,920.54

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1.5x scale

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.