Home / 626,986.17-865,247.27-340,511.85

Finding the Fourth Proportional to 626,986.17, 865,247.27 and 340,511.85

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Solution

The fourth proportional to 626,986.17, 865,247.27 and 340,511.85 is: 469,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,986.17 : 865,247.27 = 340,511.85 : x
  2. Step 2: Convert to fraction form
    626,986.17/865,247.27 = 340,511.85/x
  3. Step 3: Cross multiply
    626,986.17x = 865,247.27 × 340,511.85
  4. Step 4: Simplify right side
    626,986.17x = 294,626,946,912.59
  5. Step 5: Solve for x
    x = 294,626,946,912.59/626,986.17
  6. Step 6: Final answer
    x = 469,909.80

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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.