Home / 466,649.75-643,977.71-259,916.48

Finding the Fourth Proportional to 466,649.75, 643,977.71 and 259,916.48

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Solution

The fourth proportional to 466,649.75, 643,977.71 and 259,916.48 is: 358,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,649.75 : 643,977.71 = 259,916.48 : x
  2. Step 2: Convert to fraction form
    466,649.75/643,977.71 = 259,916.48/x
  3. Step 3: Cross multiply
    466,649.75x = 643,977.71 × 259,916.48
  4. Step 4: Simplify right side
    466,649.75x = 167,380,415,062.19
  5. Step 5: Solve for x
    x = 167,380,415,062.19/466,649.75
  6. Step 6: Final answer
    x = 358,685.32

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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.