Home / 859,301.50-1,185,704.37-496,655.45

Finding the Fourth Proportional to 859,301.50, 1,185,704.37 and 496,655.45

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Solution

The fourth proportional to 859,301.50, 1,185,704.37 and 496,655.45 is: 685,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,301.50 : 1,185,704.37 = 496,655.45 : x
  2. Step 2: Convert to fraction form
    859,301.50/1,185,704.37 = 496,655.45/x
  3. Step 3: Cross multiply
    859,301.50x = 1,185,704.37 × 496,655.45
  4. Step 4: Simplify right side
    859,301.50x = 588,886,540,413.58
  5. Step 5: Solve for x
    x = 588,886,540,413.58/859,301.50
  6. Step 6: Final answer
    x = 685,308.41

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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.