Home / 1,456,165.85-2,184,101.15-391,069.53

Finding the Fourth Proportional to 1,456,165.85, 2,184,101.15 and 391,069.53

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Solution

The fourth proportional to 1,456,165.85, 2,184,101.15 and 391,069.53 is: 586,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,165.85 : 2,184,101.15 = 391,069.53 : x
  2. Step 2: Convert to fraction form
    1,456,165.85/2,184,101.15 = 391,069.53/x
  3. Step 3: Cross multiply
    1,456,165.85x = 2,184,101.15 × 391,069.53
  4. Step 4: Simplify right side
    1,456,165.85x = 854,135,408,247.61
  5. Step 5: Solve for x
    x = 854,135,408,247.61/1,456,165.85
  6. Step 6: Final answer
    x = 586,564.65

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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.