Home / 964,213.11-1,330,629.08-528,670.24

Finding the Fourth Proportional to 964,213.11, 1,330,629.08 and 528,670.24

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Solution

The fourth proportional to 964,213.11, 1,330,629.08 and 528,670.24 is: 729,573.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,213.11 : 1,330,629.08 = 528,670.24 : x
  2. Step 2: Convert to fraction form
    964,213.11/1,330,629.08 = 528,670.24/x
  3. Step 3: Cross multiply
    964,213.11x = 1,330,629.08 × 528,670.24
  4. Step 4: Simplify right side
    964,213.11x = 703,463,989,104.66
  5. Step 5: Solve for x
    x = 703,463,989,104.66/964,213.11
  6. Step 6: Final answer
    x = 729,573.14

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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.