Home / 964,915.57-1,331,584.22-535,198.78

Finding the Fourth Proportional to 964,915.57, 1,331,584.22 and 535,198.78

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Solution

The fourth proportional to 964,915.57, 1,331,584.22 and 535,198.78 is: 738,574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,915.57 : 1,331,584.22 = 535,198.78 : x
  2. Step 2: Convert to fraction form
    964,915.57/1,331,584.22 = 535,198.78/x
  3. Step 3: Cross multiply
    964,915.57x = 1,331,584.22 × 535,198.78
  4. Step 4: Simplify right side
    964,915.57x = 712,662,240,677.34
  5. Step 5: Solve for x
    x = 712,662,240,677.34/964,915.57
  6. Step 6: Final answer
    x = 738,574.72

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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.