Home / 459,190.40-689,822.56-272,324.48

Finding the Fourth Proportional to 459,190.40, 689,822.56 and 272,324.48

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Solution

The fourth proportional to 459,190.40, 689,822.56 and 272,324.48 is: 409,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,190.40 : 689,822.56 = 272,324.48 : x
  2. Step 2: Convert to fraction form
    459,190.40/689,822.56 = 272,324.48/x
  3. Step 3: Cross multiply
    459,190.40x = 689,822.56 × 272,324.48
  4. Step 4: Simplify right side
    459,190.40x = 187,855,569,944.27
  5. Step 5: Solve for x
    x = 187,855,569,944.27/459,190.40
  6. Step 6: Final answer
    x = 409,101.69

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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.