Home / 567,777.03-783,533.01-309,654.39

Finding the Fourth Proportional to 567,777.03, 783,533.01 and 309,654.39

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Solution

The fourth proportional to 567,777.03, 783,533.01 and 309,654.39 is: 427,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,777.03 : 783,533.01 = 309,654.39 : x
  2. Step 2: Convert to fraction form
    567,777.03/783,533.01 = 309,654.39/x
  3. Step 3: Cross multiply
    567,777.03x = 783,533.01 × 309,654.39
  4. Step 4: Simplify right side
    567,777.03x = 242,624,436,256.41
  5. Step 5: Solve for x
    x = 242,624,436,256.41/567,777.03
  6. Step 6: Final answer
    x = 427,323.44

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1.5x scale

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.