Home / 459,361.04-689,133.53-257,244.57

Finding the Fourth Proportional to 459,361.04, 689,133.53 and 257,244.57

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Solution

The fourth proportional to 459,361.04, 689,133.53 and 257,244.57 is: 385,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,361.04 : 689,133.53 = 257,244.57 : x
  2. Step 2: Convert to fraction form
    459,361.04/689,133.53 = 257,244.57/x
  3. Step 3: Cross multiply
    459,361.04x = 689,133.53 × 257,244.57
  4. Step 4: Simplify right side
    459,361.04x = 177,275,858,597.43
  5. Step 5: Solve for x
    x = 177,275,858,597.43/459,361.04
  6. Step 6: Final answer
    x = 385,918.36

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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.