Home / 1,589,332.80-2,383,999.20-391,245.60

Finding the Fourth Proportional to 1,589,332.80, 2,383,999.20 and 391,245.60

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Solution

The fourth proportional to 1,589,332.80, 2,383,999.20 and 391,245.60 is: 586,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,332.80 : 2,383,999.20 = 391,245.60 : x
  2. Step 2: Convert to fraction form
    1,589,332.80/2,383,999.20 = 391,245.60/x
  3. Step 3: Cross multiply
    1,589,332.80x = 2,383,999.20 × 391,245.60
  4. Step 4: Simplify right side
    1,589,332.80x = 932,729,197,403.52
  5. Step 5: Solve for x
    x = 932,729,197,403.52/1,589,332.80
  6. Step 6: Final answer
    x = 586,868.40

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Double scale
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Similar ratio
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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.