Home / 1,605,712.86-2,408,569.32-540,665.76

Finding the Fourth Proportional to 1,605,712.86, 2,408,569.32 and 540,665.76

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Solution

The fourth proportional to 1,605,712.86, 2,408,569.32 and 540,665.76 is: 810,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,712.86 : 2,408,569.32 = 540,665.76 : x
  2. Step 2: Convert to fraction form
    1,605,712.86/2,408,569.32 = 540,665.76/x
  3. Step 3: Cross multiply
    1,605,712.86x = 2,408,569.32 × 540,665.76
  4. Step 4: Simplify right side
    1,605,712.86x = 1,302,230,961,910.48
  5. Step 5: Solve for x
    x = 1,302,230,961,910.48/1,605,712.86
  6. Step 6: Final answer
    x = 810,998.65

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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.