Home / 428,110.71-590,802.34-244,345.61

Finding the Fourth Proportional to 428,110.71, 590,802.34 and 244,345.61

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Solution

The fourth proportional to 428,110.71, 590,802.34 and 244,345.61 is: 337,202.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,110.71 : 590,802.34 = 244,345.61 : x
  2. Step 2: Convert to fraction form
    428,110.71/590,802.34 = 244,345.61/x
  3. Step 3: Cross multiply
    428,110.71x = 590,802.34 × 244,345.61
  4. Step 4: Simplify right side
    428,110.71x = 144,359,955,202.72
  5. Step 5: Solve for x
    x = 144,359,955,202.72/428,110.71
  6. Step 6: Final answer
    x = 337,202.39

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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.