Home / 418,005.26-576,772.35-248,281.10

Finding the Fourth Proportional to 418,005.26, 576,772.35 and 248,281.10

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Solution

The fourth proportional to 418,005.26, 576,772.35 and 248,281.10 is: 342,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,005.26 : 576,772.35 = 248,281.10 : x
  2. Step 2: Convert to fraction form
    418,005.26/576,772.35 = 248,281.10/x
  3. Step 3: Cross multiply
    418,005.26x = 576,772.35 × 248,281.10
  4. Step 4: Simplify right side
    418,005.26x = 143,201,673,507.59
  5. Step 5: Solve for x
    x = 143,201,673,507.59/418,005.26
  6. Step 6: Final answer
    x = 342,583.42

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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.