Home / 1,150,512.51-1,587,761.33-641,218.53

Finding the Fourth Proportional to 1,150,512.51, 1,587,761.33 and 641,218.53

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Solution

The fourth proportional to 1,150,512.51, 1,587,761.33 and 641,218.53 is: 884,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,512.51 : 1,587,761.33 = 641,218.53 : x
  2. Step 2: Convert to fraction form
    1,150,512.51/1,587,761.33 = 641,218.53/x
  3. Step 3: Cross multiply
    1,150,512.51x = 1,587,761.33 × 641,218.53
  4. Step 4: Simplify right side
    1,150,512.51x = 1,018,101,986,013.45
  5. Step 5: Solve for x
    x = 1,018,101,986,013.45/1,150,512.51
  6. Step 6: Final answer
    x = 884,911.70

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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.