Home / 678,531.33-936,374.07-372,627.44

Finding the Fourth Proportional to 678,531.33, 936,374.07 and 372,627.44

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Solution

The fourth proportional to 678,531.33, 936,374.07 and 372,627.44 is: 514,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,531.33 : 936,374.07 = 372,627.44 : x
  2. Step 2: Convert to fraction form
    678,531.33/936,374.07 = 372,627.44/x
  3. Step 3: Cross multiply
    678,531.33x = 936,374.07 × 372,627.44
  4. Step 4: Simplify right side
    678,531.33x = 348,918,672,813.37
  5. Step 5: Solve for x
    x = 348,918,672,813.37/678,531.33
  6. Step 6: Final answer
    x = 514,226.33

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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.