Home / 958,066.56-1,322,114.40-528,386.40

Finding the Fourth Proportional to 958,066.56, 1,322,114.40 and 528,386.40

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Solution

The fourth proportional to 958,066.56, 1,322,114.40 and 528,386.40 is: 729,163.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,066.56 : 1,322,114.40 = 528,386.40 : x
  2. Step 2: Convert to fraction form
    958,066.56/1,322,114.40 = 528,386.40/x
  3. Step 3: Cross multiply
    958,066.56x = 1,322,114.40 × 528,386.40
  4. Step 4: Simplify right side
    958,066.56x = 698,587,268,204.16
  5. Step 5: Solve for x
    x = 698,587,268,204.16/958,066.56
  6. Step 6: Final answer
    x = 729,163.61

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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.