Home / 441,827.15-609,729.59-245,612.09

Finding the Fourth Proportional to 441,827.15, 609,729.59 and 245,612.09

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Solution

The fourth proportional to 441,827.15, 609,729.59 and 245,612.09 is: 338,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,827.15 : 609,729.59 = 245,612.09 : x
  2. Step 2: Convert to fraction form
    441,827.15/609,729.59 = 245,612.09/x
  3. Step 3: Cross multiply
    441,827.15x = 609,729.59 × 245,612.09
  4. Step 4: Simplify right side
    441,827.15x = 149,756,958,934.74
  5. Step 5: Solve for x
    x = 149,756,958,934.74/441,827.15
  6. Step 6: Final answer
    x = 338,949.20

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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.