Home / 516,283.47-774,503.78-263,425.77

Finding the Fourth Proportional to 516,283.47, 774,503.78 and 263,425.77

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Solution

The fourth proportional to 516,283.47, 774,503.78 and 263,425.77 is: 395,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,283.47 : 774,503.78 = 263,425.77 : x
  2. Step 2: Convert to fraction form
    516,283.47/774,503.78 = 263,425.77/x
  3. Step 3: Cross multiply
    516,283.47x = 774,503.78 × 263,425.77
  4. Step 4: Simplify right side
    516,283.47x = 204,024,253,297.28
  5. Step 5: Solve for x
    x = 204,024,253,297.28/516,283.47
  6. Step 6: Final answer
    x = 395,178.74

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.