Home / 824,687.48-1,237,063.90-392,301.08

Finding the Fourth Proportional to 824,687.48, 1,237,063.90 and 392,301.08

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Solution

The fourth proportional to 824,687.48, 1,237,063.90 and 392,301.08 is: 588,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,687.48 : 1,237,063.90 = 392,301.08 : x
  2. Step 2: Convert to fraction form
    824,687.48/1,237,063.90 = 392,301.08/x
  3. Step 3: Cross multiply
    824,687.48x = 1,237,063.90 × 392,301.08
  4. Step 4: Simplify right side
    824,687.48x = 485,301,503,999.01
  5. Step 5: Solve for x
    x = 485,301,503,999.01/824,687.48
  6. Step 6: Final answer
    x = 588,467.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.