Home / 1,261,505.10-1,892,558.97-420,064.14

Finding the Fourth Proportional to 1,261,505.10, 1,892,558.97 and 420,064.14

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Solution

The fourth proportional to 1,261,505.10, 1,892,558.97 and 420,064.14 is: 630,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,505.10 : 1,892,558.97 = 420,064.14 : x
  2. Step 2: Convert to fraction form
    1,261,505.10/1,892,558.97 = 420,064.14/x
  3. Step 3: Cross multiply
    1,261,505.10x = 1,892,558.97 × 420,064.14
  4. Step 4: Simplify right side
    1,261,505.10x = 794,996,156,132.34
  5. Step 5: Solve for x
    x = 794,996,156,132.34/1,261,505.10
  6. Step 6: Final answer
    x = 630,196.55

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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.