Home / 558,090.08-836,214.96-321,631.52

Finding the Fourth Proportional to 558,090.08, 836,214.96 and 321,631.52

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Solution

The fourth proportional to 558,090.08, 836,214.96 and 321,631.52 is: 481,916.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,090.08 : 836,214.96 = 321,631.52 : x
  2. Step 2: Convert to fraction form
    558,090.08/836,214.96 = 321,631.52/x
  3. Step 3: Cross multiply
    558,090.08x = 836,214.96 × 321,631.52
  4. Step 4: Simplify right side
    558,090.08x = 268,953,088,631.54
  5. Step 5: Solve for x
    x = 268,953,088,631.54/558,090.08
  6. Step 6: Final answer
    x = 481,916.98

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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.