Home / 853,900.01-1,280,848.40-801,936.89

Finding the Fourth Proportional to 853,900.01, 1,280,848.40 and 801,936.89

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Solution

The fourth proportional to 853,900.01, 1,280,848.40 and 801,936.89 is: 1,202,903.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,900.01 : 1,280,848.40 = 801,936.89 : x
  2. Step 2: Convert to fraction form
    853,900.01/1,280,848.40 = 801,936.89/x
  3. Step 3: Cross multiply
    853,900.01x = 1,280,848.40 × 801,936.89
  4. Step 4: Simplify right side
    853,900.01x = 1,027,159,578,447.79
  5. Step 5: Solve for x
    x = 1,027,159,578,447.79/853,900.01
  6. Step 6: Final answer
    x = 1,202,903.81

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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.