Home / 591,215.34-815,878.26-322,943.34

Finding the Fourth Proportional to 591,215.34, 815,878.26 and 322,943.34

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Solution

The fourth proportional to 591,215.34, 815,878.26 and 322,943.34 is: 445,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,215.34 : 815,878.26 = 322,943.34 : x
  2. Step 2: Convert to fraction form
    591,215.34/815,878.26 = 322,943.34/x
  3. Step 3: Cross multiply
    591,215.34x = 815,878.26 × 322,943.34
  4. Step 4: Simplify right side
    591,215.34x = 263,482,450,317.79
  5. Step 5: Solve for x
    x = 263,482,450,317.79/591,215.34
  6. Step 6: Final answer
    x = 445,662.41

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Double scale
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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.