Home / 635,531.70-876,667.64-380,735.27

Finding the Fourth Proportional to 635,531.70, 876,667.64 and 380,735.27

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Solution

The fourth proportional to 635,531.70, 876,667.64 and 380,735.27 is: 525,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,531.70 : 876,667.64 = 380,735.27 : x
  2. Step 2: Convert to fraction form
    635,531.70/876,667.64 = 380,735.27/x
  3. Step 3: Cross multiply
    635,531.70x = 876,667.64 × 380,735.27
  4. Step 4: Simplify right side
    635,531.70x = 333,778,286,232.33
  5. Step 5: Solve for x
    x = 333,778,286,232.33/635,531.70
  6. Step 6: Final answer
    x = 525,195.34

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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.