Home / 697,659.20-1,045,413.60-519,329.60

Finding the Fourth Proportional to 697,659.20, 1,045,413.60 and 519,329.60

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Solution

The fourth proportional to 697,659.20, 1,045,413.60 and 519,329.60 is: 778,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,659.20 : 1,045,413.60 = 519,329.60 : x
  2. Step 2: Convert to fraction form
    697,659.20/1,045,413.60 = 519,329.60/x
  3. Step 3: Cross multiply
    697,659.20x = 1,045,413.60 × 519,329.60
  4. Step 4: Simplify right side
    697,659.20x = 542,914,226,722.56
  5. Step 5: Solve for x
    x = 542,914,226,722.56/697,659.20
  6. Step 6: Final answer
    x = 778,194.03

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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.