Home / 923,141.66-1,273,999.66-515,323.09

Finding the Fourth Proportional to 923,141.66, 1,273,999.66 and 515,323.09

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Solution

The fourth proportional to 923,141.66, 1,273,999.66 and 515,323.09 is: 711,181.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,141.66 : 1,273,999.66 = 515,323.09 : x
  2. Step 2: Convert to fraction form
    923,141.66/1,273,999.66 = 515,323.09/x
  3. Step 3: Cross multiply
    923,141.66x = 1,273,999.66 × 515,323.09
  4. Step 4: Simplify right side
    923,141.66x = 656,521,441,754.34
  5. Step 5: Solve for x
    x = 656,521,441,754.34/923,141.66
  6. Step 6: Final answer
    x = 711,181.69

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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.