Home / 558,861.12-837,821.47-243,080.19

Finding the Fourth Proportional to 558,861.12, 837,821.47 and 243,080.19

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Solution

The fourth proportional to 558,861.12, 837,821.47 and 243,080.19 is: 364,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,861.12 : 837,821.47 = 243,080.19 : x
  2. Step 2: Convert to fraction form
    558,861.12/837,821.47 = 243,080.19/x
  3. Step 3: Cross multiply
    558,861.12x = 837,821.47 × 243,080.19
  4. Step 4: Simplify right side
    558,861.12x = 203,657,802,113.68
  5. Step 5: Solve for x
    x = 203,657,802,113.68/558,861.12
  6. Step 6: Final answer
    x = 364,415.76

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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.