Home / 469,556.19-647,970.03-254,689.11

Finding the Fourth Proportional to 469,556.19, 647,970.03 and 254,689.11

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Solution

The fourth proportional to 469,556.19, 647,970.03 and 254,689.11 is: 351,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,556.19 : 647,970.03 = 254,689.11 : x
  2. Step 2: Convert to fraction form
    469,556.19/647,970.03 = 254,689.11/x
  3. Step 3: Cross multiply
    469,556.19x = 647,970.03 × 254,689.11
  4. Step 4: Simplify right side
    469,556.19x = 165,030,910,247.37
  5. Step 5: Solve for x
    x = 165,030,910,247.37/469,556.19
  6. Step 6: Final answer
    x = 351,461.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.