Home / 626,989.17-865,251.42-340,514.85

Finding the Fourth Proportional to 626,989.17, 865,251.42 and 340,514.85

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Solution

The fourth proportional to 626,989.17, 865,251.42 and 340,514.85 is: 469,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,989.17 : 865,251.42 = 340,514.85 : x
  2. Step 2: Convert to fraction form
    626,989.17/865,251.42 = 340,514.85/x
  3. Step 3: Cross multiply
    626,989.17x = 865,251.42 × 340,514.85
  4. Step 4: Simplify right side
    626,989.17x = 294,630,957,493.59
  5. Step 5: Solve for x
    x = 294,630,957,493.59/626,989.17
  6. Step 6: Final answer
    x = 469,913.95

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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.