Home / 377,625.20-566,437.80-209,663.60

Finding the Fourth Proportional to 377,625.20, 566,437.80 and 209,663.60

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Solution

The fourth proportional to 377,625.20, 566,437.80 and 209,663.60 is: 314,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,625.20 : 566,437.80 = 209,663.60 : x
  2. Step 2: Convert to fraction form
    377,625.20/566,437.80 = 209,663.60/x
  3. Step 3: Cross multiply
    377,625.20x = 566,437.80 × 209,663.60
  4. Step 4: Simplify right side
    377,625.20x = 118,761,388,324.08
  5. Step 5: Solve for x
    x = 118,761,388,324.08/377,625.20
  6. Step 6: Final answer
    x = 314,495.40

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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.