Home / 914,645.60-1,371,414.33-409,112.36

Finding the Fourth Proportional to 914,645.60, 1,371,414.33 and 409,112.36

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Solution

The fourth proportional to 914,645.60, 1,371,414.33 and 409,112.36 is: 613,420.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,645.60 : 1,371,414.33 = 409,112.36 : x
  2. Step 2: Convert to fraction form
    914,645.60/1,371,414.33 = 409,112.36/x
  3. Step 3: Cross multiply
    914,645.60x = 1,371,414.33 × 409,112.36
  4. Step 4: Simplify right side
    914,645.60x = 561,062,546,227.05
  5. Step 5: Solve for x
    x = 561,062,546,227.05/914,645.60
  6. Step 6: Final answer
    x = 613,420.71

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1.5x scale

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.