Home / 543,810.90-815,799.24-277,426.12

Finding the Fourth Proportional to 543,810.90, 815,799.24 and 277,426.12

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Solution

The fourth proportional to 543,810.90, 815,799.24 and 277,426.12 is: 416,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,810.90 : 815,799.24 = 277,426.12 : x
  2. Step 2: Convert to fraction form
    543,810.90/815,799.24 = 277,426.12/x
  3. Step 3: Cross multiply
    543,810.90x = 815,799.24 × 277,426.12
  4. Step 4: Simplify right side
    543,810.90x = 226,324,017,852.15
  5. Step 5: Solve for x
    x = 226,324,017,852.15/543,810.90
  6. Step 6: Final answer
    x = 416,181.47

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1.5x scale

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.