Home / 394,977.40-592,466.10-253,259.80

Finding the Fourth Proportional to 394,977.40, 592,466.10 and 253,259.80

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Solution

The fourth proportional to 394,977.40, 592,466.10 and 253,259.80 is: 379,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,977.40 : 592,466.10 = 253,259.80 : x
  2. Step 2: Convert to fraction form
    394,977.40/592,466.10 = 253,259.80/x
  3. Step 3: Cross multiply
    394,977.40x = 592,466.10 × 253,259.80
  4. Step 4: Simplify right side
    394,977.40x = 150,047,845,992.78
  5. Step 5: Solve for x
    x = 150,047,845,992.78/394,977.40
  6. Step 6: Final answer
    x = 379,889.70

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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.