Home / 705,466.10-1,057,892.96-256,037.60

Finding the Fourth Proportional to 705,466.10, 1,057,892.96 and 256,037.60

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Solution

The fourth proportional to 705,466.10, 1,057,892.96 and 256,037.60 is: 383,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,466.10 : 1,057,892.96 = 256,037.60 : x
  2. Step 2: Convert to fraction form
    705,466.10/1,057,892.96 = 256,037.60/x
  3. Step 3: Cross multiply
    705,466.10x = 1,057,892.96 × 256,037.60
  4. Step 4: Simplify right side
    705,466.10x = 270,860,374,535.30
  5. Step 5: Solve for x
    x = 270,860,374,535.30/705,466.10
  6. Step 6: Final answer
    x = 383,945.27

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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.