Home / 958,278.96-1,322,419.58-528,558.12

Finding the Fourth Proportional to 958,278.96, 1,322,419.58 and 528,558.12

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Solution

The fourth proportional to 958,278.96, 1,322,419.58 and 528,558.12 is: 729,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,278.96 : 1,322,419.58 = 528,558.12 : x
  2. Step 2: Convert to fraction form
    958,278.96/1,322,419.58 = 528,558.12/x
  3. Step 3: Cross multiply
    958,278.96x = 1,322,419.58 × 528,558.12
  4. Step 4: Simplify right side
    958,278.96x = 698,975,607,055.99
  5. Step 5: Solve for x
    x = 698,975,607,055.99/958,278.96
  6. Step 6: Final answer
    x = 729,407.24

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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.