Home / 964,538.62-1,330,940.94-528,841.32

Finding the Fourth Proportional to 964,538.62, 1,330,940.94 and 528,841.32

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Solution

The fourth proportional to 964,538.62, 1,330,940.94 and 528,841.32 is: 729,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,538.62 : 1,330,940.94 = 528,841.32 : x
  2. Step 2: Convert to fraction form
    964,538.62/1,330,940.94 = 528,841.32/x
  3. Step 3: Cross multiply
    964,538.62x = 1,330,940.94 × 528,841.32
  4. Step 4: Simplify right side
    964,538.62x = 703,856,563,551.64
  5. Step 5: Solve for x
    x = 703,856,563,551.64/964,538.62
  6. Step 6: Final answer
    x = 729,733.94

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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.