Home / 461,334.12-636,649.38-270,401.64

Finding the Fourth Proportional to 461,334.12, 636,649.38 and 270,401.64

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Solution

The fourth proportional to 461,334.12, 636,649.38 and 270,401.64 is: 373,159.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,334.12 : 636,649.38 = 270,401.64 : x
  2. Step 2: Convert to fraction form
    461,334.12/636,649.38 = 270,401.64/x
  3. Step 3: Cross multiply
    461,334.12x = 636,649.38 × 270,401.64
  4. Step 4: Simplify right side
    461,334.12x = 172,151,036,456.98
  5. Step 5: Solve for x
    x = 172,151,036,456.98/461,334.12
  6. Step 6: Final answer
    x = 373,159.12

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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.