Home / 459,427.60-689,174.24-122,466.52

Finding the Fourth Proportional to 459,427.60, 689,174.24 and 122,466.52

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Solution

The fourth proportional to 459,427.60, 689,174.24 and 122,466.52 is: 183,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,427.60 : 689,174.24 = 122,466.52 : x
  2. Step 2: Convert to fraction form
    459,427.60/689,174.24 = 122,466.52/x
  3. Step 3: Cross multiply
    459,427.60x = 689,174.24 × 122,466.52
  4. Step 4: Simplify right side
    459,427.60x = 84,400,768,511.18
  5. Step 5: Solve for x
    x = 84,400,768,511.18/459,427.60
  6. Step 6: Final answer
    x = 183,708.53

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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.