Home / 893,838.34-1,233,521.23-485,967.62

Finding the Fourth Proportional to 893,838.34, 1,233,521.23 and 485,967.62

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Solution

The fourth proportional to 893,838.34, 1,233,521.23 and 485,967.62 is: 670,648.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,838.34 : 1,233,521.23 = 485,967.62 : x
  2. Step 2: Convert to fraction form
    893,838.34/1,233,521.23 = 485,967.62/x
  3. Step 3: Cross multiply
    893,838.34x = 1,233,521.23 × 485,967.62
  4. Step 4: Simplify right side
    893,838.34x = 599,451,376,362.57
  5. Step 5: Solve for x
    x = 599,451,376,362.57/893,838.34
  6. Step 6: Final answer
    x = 670,648.54

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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.