Home / 461,515.12-636,899.16-270,666.16

Finding the Fourth Proportional to 461,515.12, 636,899.16 and 270,666.16

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Solution

The fourth proportional to 461,515.12, 636,899.16 and 270,666.16 is: 373,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,515.12 : 636,899.16 = 270,666.16 : x
  2. Step 2: Convert to fraction form
    461,515.12/636,899.16 = 270,666.16/x
  3. Step 3: Cross multiply
    461,515.12x = 636,899.16 × 270,666.16
  4. Step 4: Simplify right side
    461,515.12x = 172,387,049,944.43
  5. Step 5: Solve for x
    x = 172,387,049,944.43/461,515.12
  6. Step 6: Final answer
    x = 373,524.17

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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.