Home / 1,290,174.36-1,935,494.87-531,593.82

Finding the Fourth Proportional to 1,290,174.36, 1,935,494.87 and 531,593.82

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Solution

The fourth proportional to 1,290,174.36, 1,935,494.87 and 531,593.82 is: 797,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,174.36 : 1,935,494.87 = 531,593.82 : x
  2. Step 2: Convert to fraction form
    1,290,174.36/1,935,494.87 = 531,593.82/x
  3. Step 3: Cross multiply
    1,290,174.36x = 1,935,494.87 × 531,593.82
  4. Step 4: Simplify right side
    1,290,174.36x = 1,028,897,108,875.73
  5. Step 5: Solve for x
    x = 1,028,897,108,875.73/1,290,174.36
  6. Step 6: Final answer
    x = 797,486.87

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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.