Home / 351,026.80-526,540.20-347,527.60

Finding the Fourth Proportional to 351,026.80, 526,540.20 and 347,527.60

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Solution

The fourth proportional to 351,026.80, 526,540.20 and 347,527.60 is: 521,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,026.80 : 526,540.20 = 347,527.60 : x
  2. Step 2: Convert to fraction form
    351,026.80/526,540.20 = 347,527.60/x
  3. Step 3: Cross multiply
    351,026.80x = 526,540.20 × 347,527.60
  4. Step 4: Simplify right side
    351,026.80x = 182,987,252,009.52
  5. Step 5: Solve for x
    x = 182,987,252,009.52/351,026.80
  6. Step 6: Final answer
    x = 521,291.40

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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.