Home / 976,920.03-1,348,611.39-654,840.54

Finding the Fourth Proportional to 976,920.03, 1,348,611.39 and 654,840.54

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Solution

The fourth proportional to 976,920.03, 1,348,611.39 and 654,840.54 is: 903,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,920.03 : 1,348,611.39 = 654,840.54 : x
  2. Step 2: Convert to fraction form
    976,920.03/1,348,611.39 = 654,840.54/x
  3. Step 3: Cross multiply
    976,920.03x = 1,348,611.39 × 654,840.54
  4. Step 4: Simplify right side
    976,920.03x = 883,125,410,877.75
  5. Step 5: Solve for x
    x = 883,125,410,877.75/976,920.03
  6. Step 6: Final answer
    x = 903,989.46

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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.