Home / 814,334.98-1,123,783.60-451,758.85

Finding the Fourth Proportional to 814,334.98, 1,123,783.60 and 451,758.85

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Solution

The fourth proportional to 814,334.98, 1,123,783.60 and 451,758.85 is: 623,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,334.98 : 1,123,783.60 = 451,758.85 : x
  2. Step 2: Convert to fraction form
    814,334.98/1,123,783.60 = 451,758.85/x
  3. Step 3: Cross multiply
    814,334.98x = 1,123,783.60 × 451,758.85
  4. Step 4: Simplify right side
    814,334.98x = 507,679,178,907.15
  5. Step 5: Solve for x
    x = 507,679,178,907.15/814,334.98
  6. Step 6: Final answer
    x = 623,427.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.