Home / 905,828.06-1,250,042.73-523,879.45

Finding the Fourth Proportional to 905,828.06, 1,250,042.73 and 523,879.45

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Solution

The fourth proportional to 905,828.06, 1,250,042.73 and 523,879.45 is: 722,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,828.06 : 1,250,042.73 = 523,879.45 : x
  2. Step 2: Convert to fraction form
    905,828.06/1,250,042.73 = 523,879.45/x
  3. Step 3: Cross multiply
    905,828.06x = 1,250,042.73 × 523,879.45
  4. Step 4: Simplify right side
    905,828.06x = 654,871,692,779.24
  5. Step 5: Solve for x
    x = 654,871,692,779.24/905,828.06
  6. Step 6: Final answer
    x = 722,953.64

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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.