Home / 518,337.27-777,453.33-139,208.73

Finding the Fourth Proportional to 518,337.27, 777,453.33 and 139,208.73

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Solution

The fourth proportional to 518,337.27, 777,453.33 and 139,208.73 is: 208,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,337.27 : 777,453.33 = 139,208.73 : x
  2. Step 2: Convert to fraction form
    518,337.27/777,453.33 = 139,208.73/x
  3. Step 3: Cross multiply
    518,337.27x = 777,453.33 × 139,208.73
  4. Step 4: Simplify right side
    518,337.27x = 108,228,290,703.57
  5. Step 5: Solve for x
    x = 108,228,290,703.57/518,337.27
  6. Step 6: Final answer
    x = 208,798.98

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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.