Home / 914,619.26-1,371,374.82-409,086.05

Finding the Fourth Proportional to 914,619.26, 1,371,374.82 and 409,086.05

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Solution

The fourth proportional to 914,619.26, 1,371,374.82 and 409,086.05 is: 613,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,619.26 : 1,371,374.82 = 409,086.05 : x
  2. Step 2: Convert to fraction form
    914,619.26/1,371,374.82 = 409,086.05/x
  3. Step 3: Cross multiply
    914,619.26x = 1,371,374.82 × 409,086.05
  4. Step 4: Simplify right side
    914,619.26x = 561,010,301,326.39
  5. Step 5: Solve for x
    x = 561,010,301,326.39/914,619.26
  6. Step 6: Final answer
    x = 613,381.24

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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.