Home / 461,938.14-637,122.82-397,514.76

Finding the Fourth Proportional to 461,938.14, 637,122.82 and 397,514.76

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Solution

The fourth proportional to 461,938.14, 637,122.82 and 397,514.76 is: 548,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,938.14 : 637,122.82 = 397,514.76 : x
  2. Step 2: Convert to fraction form
    461,938.14/637,122.82 = 397,514.76/x
  3. Step 3: Cross multiply
    461,938.14x = 637,122.82 × 397,514.76
  4. Step 4: Simplify right side
    461,938.14x = 253,265,723,868.60
  5. Step 5: Solve for x
    x = 253,265,723,868.60/461,938.14
  6. Step 6: Final answer
    x = 548,267.62

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1.5x scale

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.