Home / 893,575.55-1,233,142.52-485,678.36

Finding the Fourth Proportional to 893,575.55, 1,233,142.52 and 485,678.36

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Solution

The fourth proportional to 893,575.55, 1,233,142.52 and 485,678.36 is: 670,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,575.55 : 1,233,142.52 = 485,678.36 : x
  2. Step 2: Convert to fraction form
    893,575.55/1,233,142.52 = 485,678.36/x
  3. Step 3: Cross multiply
    893,575.55x = 1,233,142.52 × 485,678.36
  4. Step 4: Simplify right side
    893,575.55x = 598,910,630,594.16
  5. Step 5: Solve for x
    x = 598,910,630,594.16/893,575.55
  6. Step 6: Final answer
    x = 670,240.62

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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.