Home / 1,257,101.70-1,885,652.55-658,246.43

Finding the Fourth Proportional to 1,257,101.70, 1,885,652.55 and 658,246.43

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Solution

The fourth proportional to 1,257,101.70, 1,885,652.55 and 658,246.43 is: 987,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,101.70 : 1,885,652.55 = 658,246.43 : x
  2. Step 2: Convert to fraction form
    1,257,101.70/1,885,652.55 = 658,246.43/x
  3. Step 3: Cross multiply
    1,257,101.70x = 1,885,652.55 × 658,246.43
  4. Step 4: Simplify right side
    1,257,101.70x = 1,241,224,049,829.63
  5. Step 5: Solve for x
    x = 1,241,224,049,829.63/1,257,101.70
  6. Step 6: Final answer
    x = 987,369.64

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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.