Home / 441,202.80-656,814.24-438,578.40

Finding the Fourth Proportional to 441,202.80, 656,814.24 and 438,578.40

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Solution

The fourth proportional to 441,202.80, 656,814.24 and 438,578.40 is: 652,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,202.80 : 656,814.24 = 438,578.40 : x
  2. Step 2: Convert to fraction form
    441,202.80/656,814.24 = 438,578.40/x
  3. Step 3: Cross multiply
    441,202.80x = 656,814.24 × 438,578.40
  4. Step 4: Simplify right side
    441,202.80x = 288,064,538,476.42
  5. Step 5: Solve for x
    x = 288,064,538,476.42/441,202.80
  6. Step 6: Final answer
    x = 652,907.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.