Home / 459,394.47-689,037.03-122,460.39

Finding the Fourth Proportional to 459,394.47, 689,037.03 and 122,460.39

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Solution

The fourth proportional to 459,394.47, 689,037.03 and 122,460.39 is: 183,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,394.47 : 689,037.03 = 122,460.39 : x
  2. Step 2: Convert to fraction form
    459,394.47/689,037.03 = 122,460.39/x
  3. Step 3: Cross multiply
    459,394.47x = 689,037.03 × 122,460.39
  4. Step 4: Simplify right side
    459,394.47x = 84,379,743,418.24
  5. Step 5: Solve for x
    x = 84,379,743,418.24/459,394.47
  6. Step 6: Final answer
    x = 183,676.01

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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.