Home / 543,887.64-815,747.22-277,844.76

Finding the Fourth Proportional to 543,887.64, 815,747.22 and 277,844.76

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Solution

The fourth proportional to 543,887.64, 815,747.22 and 277,844.76 is: 416,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,887.64 : 815,747.22 = 277,844.76 : x
  2. Step 2: Convert to fraction form
    543,887.64/815,747.22 = 277,844.76/x
  3. Step 3: Cross multiply
    543,887.64x = 815,747.22 × 277,844.76
  4. Step 4: Simplify right side
    543,887.64x = 226,651,090,561.57
  5. Step 5: Solve for x
    x = 226,651,090,561.57/543,887.64
  6. Step 6: Final answer
    x = 416,724.11

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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.