Home / 654,054.92-902,226.56-411,921.36

Finding the Fourth Proportional to 654,054.92, 902,226.56 and 411,921.36

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Solution

The fourth proportional to 654,054.92, 902,226.56 and 411,921.36 is: 568,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,054.92 : 902,226.56 = 411,921.36 : x
  2. Step 2: Convert to fraction form
    654,054.92/902,226.56 = 411,921.36/x
  3. Step 3: Cross multiply
    654,054.92x = 902,226.56 × 411,921.36
  4. Step 4: Simplify right side
    654,054.92x = 371,646,391,623.32
  5. Step 5: Solve for x
    x = 371,646,391,623.32/654,054.92
  6. Step 6: Final answer
    x = 568,218.94

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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.