Home / 742,755.32-1,114,546.92-401,191.84

Finding the Fourth Proportional to 742,755.32, 1,114,546.92 and 401,191.84

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Solution

The fourth proportional to 742,755.32, 1,114,546.92 and 401,191.84 is: 602,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,755.32 : 1,114,546.92 = 401,191.84 : x
  2. Step 2: Convert to fraction form
    742,755.32/1,114,546.92 = 401,191.84/x
  3. Step 3: Cross multiply
    742,755.32x = 1,114,546.92 × 401,191.84
  4. Step 4: Simplify right side
    742,755.32x = 447,147,129,601.13
  5. Step 5: Solve for x
    x = 447,147,129,601.13/742,755.32
  6. Step 6: Final answer
    x = 602,011.35

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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.