Home / 378,817.48-522,957.36-235,623.52

Finding the Fourth Proportional to 378,817.48, 522,957.36 and 235,623.52

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Solution

The fourth proportional to 378,817.48, 522,957.36 and 235,623.52 is: 325,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,817.48 : 522,957.36 = 235,623.52 : x
  2. Step 2: Convert to fraction form
    378,817.48/522,957.36 = 235,623.52/x
  3. Step 3: Cross multiply
    378,817.48x = 522,957.36 × 235,623.52
  4. Step 4: Simplify right side
    378,817.48x = 123,221,053,973.11
  5. Step 5: Solve for x
    x = 123,221,053,973.11/378,817.48
  6. Step 6: Final answer
    x = 325,278.16

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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.