Home / 783,150.17-1,174,726.28-214,536.33

Finding the Fourth Proportional to 783,150.17, 1,174,726.28 and 214,536.33

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Solution

The fourth proportional to 783,150.17, 1,174,726.28 and 214,536.33 is: 321,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,150.17 : 1,174,726.28 = 214,536.33 : x
  2. Step 2: Convert to fraction form
    783,150.17/1,174,726.28 = 214,536.33/x
  3. Step 3: Cross multiply
    783,150.17x = 1,174,726.28 × 214,536.33
  4. Step 4: Simplify right side
    783,150.17x = 252,021,465,402.09
  5. Step 5: Solve for x
    x = 252,021,465,402.09/783,150.17
  6. Step 6: Final answer
    x = 321,804.78

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.