Home / 889,693.11-1,227,777.14-481,795.39

Finding the Fourth Proportional to 889,693.11, 1,227,777.14 and 481,795.39

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Solution

The fourth proportional to 889,693.11, 1,227,777.14 and 481,795.39 is: 664,877.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,693.11 : 1,227,777.14 = 481,795.39 : x
  2. Step 2: Convert to fraction form
    889,693.11/1,227,777.14 = 481,795.39/x
  3. Step 3: Cross multiply
    889,693.11x = 1,227,777.14 × 481,795.39
  4. Step 4: Simplify right side
    889,693.11x = 591,537,365,999.39
  5. Step 5: Solve for x
    x = 591,537,365,999.39/889,693.11
  6. Step 6: Final answer
    x = 664,877.99

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Double scale
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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.