Home / 320,835.60-481,966.20-268,347.60

Finding the Fourth Proportional to 320,835.60, 481,966.20 and 268,347.60

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Solution

The fourth proportional to 320,835.60, 481,966.20 and 268,347.60 is: 403,117.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,835.60 : 481,966.20 = 268,347.60 : x
  2. Step 2: Convert to fraction form
    320,835.60/481,966.20 = 268,347.60/x
  3. Step 3: Cross multiply
    320,835.60x = 481,966.20 × 268,347.60
  4. Step 4: Simplify right side
    320,835.60x = 129,334,473,051.12
  5. Step 5: Solve for x
    x = 129,334,473,051.12/320,835.60
  6. Step 6: Final answer
    x = 403,117.59

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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.