Home / 1,515,783.78-2,271,706.40-616,177.70

Finding the Fourth Proportional to 1,515,783.78, 2,271,706.40 and 616,177.70

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Solution

The fourth proportional to 1,515,783.78, 2,271,706.40 and 616,177.70 is: 923,466.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,783.78 : 2,271,706.40 = 616,177.70 : x
  2. Step 2: Convert to fraction form
    1,515,783.78/2,271,706.40 = 616,177.70/x
  3. Step 3: Cross multiply
    1,515,783.78x = 2,271,706.40 × 616,177.70
  4. Step 4: Simplify right side
    1,515,783.78x = 1,399,774,824,627.28
  5. Step 5: Solve for x
    x = 1,399,774,824,627.28/1,515,783.78
  6. Step 6: Final answer
    x = 923,466.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.