Home / 547,700.52-821,541.90-210,814.32

Finding the Fourth Proportional to 547,700.52, 821,541.90 and 210,814.32

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Solution

The fourth proportional to 547,700.52, 821,541.90 and 210,814.32 is: 316,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,700.52 : 821,541.90 = 210,814.32 : x
  2. Step 2: Convert to fraction form
    547,700.52/821,541.90 = 210,814.32/x
  3. Step 3: Cross multiply
    547,700.52x = 821,541.90 × 210,814.32
  4. Step 4: Simplify right side
    547,700.52x = 173,192,797,000.01
  5. Step 5: Solve for x
    x = 173,192,797,000.01/547,700.52
  6. Step 6: Final answer
    x = 316,218.06

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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.