Home / 626,900.44-865,098.64-340,414.24

Finding the Fourth Proportional to 626,900.44, 865,098.64 and 340,414.24

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Solution

The fourth proportional to 626,900.44, 865,098.64 and 340,414.24 is: 469,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,900.44 : 865,098.64 = 340,414.24 : x
  2. Step 2: Convert to fraction form
    626,900.44/865,098.64 = 340,414.24/x
  3. Step 3: Cross multiply
    626,900.44x = 865,098.64 × 340,414.24
  4. Step 4: Simplify right side
    626,900.44x = 294,491,896,060.63
  5. Step 5: Solve for x
    x = 294,491,896,060.63/626,900.44
  6. Step 6: Final answer
    x = 469,758.64

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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.