Home / 459,460.36-689,223.46-122,499.25

Finding the Fourth Proportional to 459,460.36, 689,223.46 and 122,499.25

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Solution

The fourth proportional to 459,460.36, 689,223.46 and 122,499.25 is: 183,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,460.36 : 689,223.46 = 122,499.25 : x
  2. Step 2: Convert to fraction form
    459,460.36/689,223.46 = 122,499.25/x
  3. Step 3: Cross multiply
    459,460.36x = 689,223.46 × 122,499.25
  4. Step 4: Simplify right side
    459,460.36x = 84,429,352,873.79
  5. Step 5: Solve for x
    x = 84,429,352,873.79/459,460.36
  6. Step 6: Final answer
    x = 183,757.65

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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.