Home / 850,915.61-1,174,263.50-468,942.39

Finding the Fourth Proportional to 850,915.61, 1,174,263.50 and 468,942.39

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Solution

The fourth proportional to 850,915.61, 1,174,263.50 and 468,942.39 is: 647,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,915.61 : 1,174,263.50 = 468,942.39 : x
  2. Step 2: Convert to fraction form
    850,915.61/1,174,263.50 = 468,942.39/x
  3. Step 3: Cross multiply
    850,915.61x = 1,174,263.50 × 468,942.39
  4. Step 4: Simplify right side
    850,915.61x = 550,661,929,835.05
  5. Step 5: Solve for x
    x = 550,661,929,835.05/850,915.61
  6. Step 6: Final answer
    x = 647,140.48

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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.