Home / 413,685.18-619,953.66-188,495.24

Finding the Fourth Proportional to 413,685.18, 619,953.66 and 188,495.24

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Solution

The fourth proportional to 413,685.18, 619,953.66 and 188,495.24 is: 282,481.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,685.18 : 619,953.66 = 188,495.24 : x
  2. Step 2: Convert to fraction form
    413,685.18/619,953.66 = 188,495.24/x
  3. Step 3: Cross multiply
    413,685.18x = 619,953.66 × 188,495.24
  4. Step 4: Simplify right side
    413,685.18x = 116,858,310,830.81
  5. Step 5: Solve for x
    x = 116,858,310,830.81/413,685.18
  6. Step 6: Final answer
    x = 282,481.26

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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.