Home / 389,336.76-537,277.32-219,570.84

Finding the Fourth Proportional to 389,336.76, 537,277.32 and 219,570.84

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Solution

The fourth proportional to 389,336.76, 537,277.32 and 219,570.84 is: 303,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,336.76 : 537,277.32 = 219,570.84 : x
  2. Step 2: Convert to fraction form
    389,336.76/537,277.32 = 219,570.84/x
  3. Step 3: Cross multiply
    389,336.76x = 537,277.32 × 219,570.84
  4. Step 4: Simplify right side
    389,336.76x = 117,970,432,465.35
  5. Step 5: Solve for x
    x = 117,970,432,465.35/389,336.76
  6. Step 6: Final answer
    x = 303,003.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.