Home / 558,358.96-837,220.20-381,080.56

Finding the Fourth Proportional to 558,358.96, 837,220.20 and 381,080.56

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Solution

The fourth proportional to 558,358.96, 837,220.20 and 381,080.56 is: 571,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,358.96 : 837,220.20 = 381,080.56 : x
  2. Step 2: Convert to fraction form
    558,358.96/837,220.20 = 381,080.56/x
  3. Step 3: Cross multiply
    558,358.96x = 837,220.20 × 381,080.56
  4. Step 4: Simplify right side
    558,358.96x = 319,048,342,659.31
  5. Step 5: Solve for x
    x = 319,048,342,659.31/558,358.96
  6. Step 6: Final answer
    x = 571,403.64

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1.5x scale

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.