Home / 883,929.06-1,219,789.86-540,340.44

Finding the Fourth Proportional to 883,929.06, 1,219,789.86 and 540,340.44

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Solution

The fourth proportional to 883,929.06, 1,219,789.86 and 540,340.44 is: 745,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,929.06 : 1,219,789.86 = 540,340.44 : x
  2. Step 2: Convert to fraction form
    883,929.06/1,219,789.86 = 540,340.44/x
  3. Step 3: Cross multiply
    883,929.06x = 1,219,789.86 × 540,340.44
  4. Step 4: Simplify right side
    883,929.06x = 659,101,789,659.94
  5. Step 5: Solve for x
    x = 659,101,789,659.94/883,929.06
  6. Step 6: Final answer
    x = 745,650.10

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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.