Home / 858,986.32-1,185,505.68-496,413.14

Finding the Fourth Proportional to 858,986.32, 1,185,505.68 and 496,413.14

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Solution

The fourth proportional to 858,986.32, 1,185,505.68 and 496,413.14 is: 685,110.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,986.32 : 1,185,505.68 = 496,413.14 : x
  2. Step 2: Convert to fraction form
    858,986.32/1,185,505.68 = 496,413.14/x
  3. Step 3: Cross multiply
    858,986.32x = 1,185,505.68 × 496,413.14
  4. Step 4: Simplify right side
    858,986.32x = 588,500,597,096.64
  5. Step 5: Solve for x
    x = 588,500,597,096.64/858,986.32
  6. Step 6: Final answer
    x = 685,110.56

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Double scale
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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.