Home / 347,835.60-521,753.40-277,851.60

Finding the Fourth Proportional to 347,835.60, 521,753.40 and 277,851.60

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Solution

The fourth proportional to 347,835.60, 521,753.40 and 277,851.60 is: 416,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,835.60 : 521,753.40 = 277,851.60 : x
  2. Step 2: Convert to fraction form
    347,835.60/521,753.40 = 277,851.60/x
  3. Step 3: Cross multiply
    347,835.60x = 521,753.40 × 277,851.60
  4. Step 4: Simplify right side
    347,835.60x = 144,970,016,995.44
  5. Step 5: Solve for x
    x = 144,970,016,995.44/347,835.60
  6. Step 6: Final answer
    x = 416,777.40

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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.