Home / 558,337.28-837,373.44-198,478.40

Finding the Fourth Proportional to 558,337.28, 837,373.44 and 198,478.40

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Solution

The fourth proportional to 558,337.28, 837,373.44 and 198,478.40 is: 297,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,337.28 : 837,373.44 = 198,478.40 : x
  2. Step 2: Convert to fraction form
    558,337.28/837,373.44 = 198,478.40/x
  3. Step 3: Cross multiply
    558,337.28x = 837,373.44 × 198,478.40
  4. Step 4: Simplify right side
    558,337.28x = 166,200,540,573.70
  5. Step 5: Solve for x
    x = 166,200,540,573.70/558,337.28
  6. Step 6: Final answer
    x = 297,670.51

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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.