Home / 1,290,173.86-1,935,494.12-531,593.32

Finding the Fourth Proportional to 1,290,173.86, 1,935,494.12 and 531,593.32

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Solution

The fourth proportional to 1,290,173.86, 1,935,494.12 and 531,593.32 is: 797,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,173.86 : 1,935,494.12 = 531,593.32 : x
  2. Step 2: Convert to fraction form
    1,290,173.86/1,935,494.12 = 531,593.32/x
  3. Step 3: Cross multiply
    1,290,173.86x = 1,935,494.12 × 531,593.32
  4. Step 4: Simplify right side
    1,290,173.86x = 1,028,895,732,755.84
  5. Step 5: Solve for x
    x = 1,028,895,732,755.84/1,290,173.86
  6. Step 6: Final answer
    x = 797,486.11

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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.