Home / 731,438.57-1,008,943.86-483,082.04

Finding the Fourth Proportional to 731,438.57, 1,008,943.86 and 483,082.04

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Solution

The fourth proportional to 731,438.57, 1,008,943.86 and 483,082.04 is: 666,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,438.57 : 1,008,943.86 = 483,082.04 : x
  2. Step 2: Convert to fraction form
    731,438.57/1,008,943.86 = 483,082.04/x
  3. Step 3: Cross multiply
    731,438.57x = 1,008,943.86 × 483,082.04
  4. Step 4: Simplify right side
    731,438.57x = 487,402,660,656.63
  5. Step 5: Solve for x
    x = 487,402,660,656.63/731,438.57
  6. Step 6: Final answer
    x = 666,361.71

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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.