Home / 626,941.38-865,179.24-340,461.38

Finding the Fourth Proportional to 626,941.38, 865,179.24 and 340,461.38

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Solution

The fourth proportional to 626,941.38, 865,179.24 and 340,461.38 is: 469,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,941.38 : 865,179.24 = 340,461.38 : x
  2. Step 2: Convert to fraction form
    626,941.38/865,179.24 = 340,461.38/x
  3. Step 3: Cross multiply
    626,941.38x = 865,179.24 × 340,461.38
  4. Step 4: Simplify right side
    626,941.38x = 294,560,117,997.75
  5. Step 5: Solve for x
    x = 294,560,117,997.75/626,941.38
  6. Step 6: Final answer
    x = 469,836.78

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Half scale
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Double scale
Find fourth proportional to 626,942.38, 865,180.62 and 340,462.38
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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.