Home / 526,900.38-789,714.09-256,623.45

Finding the Fourth Proportional to 526,900.38, 789,714.09 and 256,623.45

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Solution

The fourth proportional to 526,900.38, 789,714.09 and 256,623.45 is: 384,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,900.38 : 789,714.09 = 256,623.45 : x
  2. Step 2: Convert to fraction form
    526,900.38/789,714.09 = 256,623.45/x
  3. Step 3: Cross multiply
    526,900.38x = 789,714.09 × 256,623.45
  4. Step 4: Simplify right side
    526,900.38x = 202,659,154,289.41
  5. Step 5: Solve for x
    x = 202,659,154,289.41/526,900.38
  6. Step 6: Final answer
    x = 384,625.18

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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.