Home / 579,825.80-869,738.70-248,049.80

Finding the Fourth Proportional to 579,825.80, 869,738.70 and 248,049.80

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Solution

The fourth proportional to 579,825.80, 869,738.70 and 248,049.80 is: 372,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,825.80 : 869,738.70 = 248,049.80 : x
  2. Step 2: Convert to fraction form
    579,825.80/869,738.70 = 248,049.80/x
  3. Step 3: Cross multiply
    579,825.80x = 869,738.70 × 248,049.80
  4. Step 4: Simplify right side
    579,825.80x = 215,738,510,587.26
  5. Step 5: Solve for x
    x = 215,738,510,587.26/579,825.80
  6. Step 6: Final answer
    x = 372,074.70

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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.