Home / 558,906.18-835,784.07-415,083.60

Finding the Fourth Proportional to 558,906.18, 835,784.07 and 415,083.60

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Solution

The fourth proportional to 558,906.18, 835,784.07 and 415,083.60 is: 620,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,906.18 : 835,784.07 = 415,083.60 : x
  2. Step 2: Convert to fraction form
    558,906.18/835,784.07 = 415,083.60/x
  3. Step 3: Cross multiply
    558,906.18x = 835,784.07 × 415,083.60
  4. Step 4: Simplify right side
    558,906.18x = 346,920,260,598.25
  5. Step 5: Solve for x
    x = 346,920,260,598.25/558,906.18
  6. Step 6: Final answer
    x = 620,712.87

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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.