Home / 831,719.93-1,147,780.37-459,194.85

Finding the Fourth Proportional to 831,719.93, 1,147,780.37 and 459,194.85

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Solution

The fourth proportional to 831,719.93, 1,147,780.37 and 459,194.85 is: 633,692.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,719.93 : 1,147,780.37 = 459,194.85 : x
  2. Step 2: Convert to fraction form
    831,719.93/1,147,780.37 = 459,194.85/x
  3. Step 3: Cross multiply
    831,719.93x = 1,147,780.37 × 459,194.85
  4. Step 4: Simplify right side
    831,719.93x = 527,054,835,983.08
  5. Step 5: Solve for x
    x = 527,054,835,983.08/831,719.93
  6. Step 6: Final answer
    x = 633,692.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.