Home / 591,252.36-815,928.30-322,980.36

Finding the Fourth Proportional to 591,252.36, 815,928.30 and 322,980.36

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Solution

The fourth proportional to 591,252.36, 815,928.30 and 322,980.36 is: 445,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,252.36 : 815,928.30 = 322,980.36 : x
  2. Step 2: Convert to fraction form
    591,252.36/815,928.30 = 322,980.36/x
  3. Step 3: Cross multiply
    591,252.36x = 815,928.30 × 322,980.36
  4. Step 4: Simplify right side
    591,252.36x = 263,528,816,068.19
  5. Step 5: Solve for x
    x = 263,528,816,068.19/591,252.36
  6. Step 6: Final answer
    x = 445,712.92

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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.