Home / 412,875.82-569,659.80-238,403.04

Finding the Fourth Proportional to 412,875.82, 569,659.80 and 238,403.04

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Solution

The fourth proportional to 412,875.82, 569,659.80 and 238,403.04 is: 328,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,875.82 : 569,659.80 = 238,403.04 : x
  2. Step 2: Convert to fraction form
    412,875.82/569,659.80 = 238,403.04/x
  3. Step 3: Cross multiply
    412,875.82x = 569,659.80 × 238,403.04
  4. Step 4: Simplify right side
    412,875.82x = 135,808,628,085.79
  5. Step 5: Solve for x
    x = 135,808,628,085.79/412,875.82
  6. Step 6: Final answer
    x = 328,933.35

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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.