Home / 540,813.62-811,239.06-185,824.64

Finding the Fourth Proportional to 540,813.62, 811,239.06 and 185,824.64

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Solution

The fourth proportional to 540,813.62, 811,239.06 and 185,824.64 is: 278,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,813.62 : 811,239.06 = 185,824.64 : x
  2. Step 2: Convert to fraction form
    540,813.62/811,239.06 = 185,824.64/x
  3. Step 3: Cross multiply
    540,813.62x = 811,239.06 × 185,824.64
  4. Step 4: Simplify right side
    540,813.62x = 150,748,206,278.44
  5. Step 5: Solve for x
    x = 150,748,206,278.44/540,813.62
  6. Step 6: Final answer
    x = 278,743.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.