Home / 558,861.72-837,822.36-243,080.79

Finding the Fourth Proportional to 558,861.72, 837,822.36 and 243,080.79

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Solution

The fourth proportional to 558,861.72, 837,822.36 and 243,080.79 is: 364,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,861.72 : 837,822.36 = 243,080.79 : x
  2. Step 2: Convert to fraction form
    558,861.72/837,822.36 = 243,080.79/x
  3. Step 3: Cross multiply
    558,861.72x = 837,822.36 × 243,080.79
  4. Step 4: Simplify right side
    558,861.72x = 203,658,521,148.46
  5. Step 5: Solve for x
    x = 203,658,521,148.46/558,861.72
  6. Step 6: Final answer
    x = 364,416.66

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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.