Home / 775,608.76-1,163,413.48-243,171.30

Finding the Fourth Proportional to 775,608.76, 1,163,413.48 and 243,171.30

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Solution

The fourth proportional to 775,608.76, 1,163,413.48 and 243,171.30 is: 364,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,608.76 : 1,163,413.48 = 243,171.30 : x
  2. Step 2: Convert to fraction form
    775,608.76/1,163,413.48 = 243,171.30/x
  3. Step 3: Cross multiply
    775,608.76x = 1,163,413.48 × 243,171.30
  4. Step 4: Simplify right side
    775,608.76x = 282,908,772,579.94
  5. Step 5: Solve for x
    x = 282,908,772,579.94/775,608.76
  6. Step 6: Final answer
    x = 364,757.06

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Double scale
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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.