Home / 1,256,740.74-1,885,402.70-415,241.46

Finding the Fourth Proportional to 1,256,740.74, 1,885,402.70 and 415,241.46

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Solution

The fourth proportional to 1,256,740.74, 1,885,402.70 and 415,241.46 is: 622,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,740.74 : 1,885,402.70 = 415,241.46 : x
  2. Step 2: Convert to fraction form
    1,256,740.74/1,885,402.70 = 415,241.46/x
  3. Step 3: Cross multiply
    1,256,740.74x = 1,885,402.70 × 415,241.46
  4. Step 4: Simplify right side
    1,256,740.74x = 782,897,369,835.94
  5. Step 5: Solve for x
    x = 782,897,369,835.94/1,256,740.74
  6. Step 6: Final answer
    x = 622,958.53

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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.