Home / 526,538.40-789,577.20-210,890.40

Finding the Fourth Proportional to 526,538.40, 789,577.20 and 210,890.40

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Solution

The fourth proportional to 526,538.40, 789,577.20 and 210,890.40 is: 316,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,538.40 : 789,577.20 = 210,890.40 : x
  2. Step 2: Convert to fraction form
    526,538.40/789,577.20 = 210,890.40/x
  3. Step 3: Cross multiply
    526,538.40x = 789,577.20 × 210,890.40
  4. Step 4: Simplify right side
    526,538.40x = 166,514,251,538.88
  5. Step 5: Solve for x
    x = 166,514,251,538.88/526,538.40
  6. Step 6: Final answer
    x = 316,243.32

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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.