Home / 593,222.52-817,991.10-378,021.72

Finding the Fourth Proportional to 593,222.52, 817,991.10 and 378,021.72

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Solution

The fourth proportional to 593,222.52, 817,991.10 and 378,021.72 is: 521,251.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,222.52 : 817,991.10 = 378,021.72 : x
  2. Step 2: Convert to fraction form
    593,222.52/817,991.10 = 378,021.72/x
  3. Step 3: Cross multiply
    593,222.52x = 817,991.10 × 378,021.72
  4. Step 4: Simplify right side
    593,222.52x = 309,218,402,566.69
  5. Step 5: Solve for x
    x = 309,218,402,566.69/593,222.52
  6. Step 6: Final answer
    x = 521,251.96

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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.