Home / 674,296.14-930,714.03-419,495.34

Finding the Fourth Proportional to 674,296.14, 930,714.03 and 419,495.34

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Solution

The fourth proportional to 674,296.14, 930,714.03 and 419,495.34 is: 579,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,296.14 : 930,714.03 = 419,495.34 : x
  2. Step 2: Convert to fraction form
    674,296.14/930,714.03 = 419,495.34/x
  3. Step 3: Cross multiply
    674,296.14x = 930,714.03 × 419,495.34
  4. Step 4: Simplify right side
    674,296.14x = 390,430,198,457.62
  5. Step 5: Solve for x
    x = 390,430,198,457.62/674,296.14
  6. Step 6: Final answer
    x = 579,018.88

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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.