Home / 629,938.80-944,908.20-377,996.40

Finding the Fourth Proportional to 629,938.80, 944,908.20 and 377,996.40

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Solution

The fourth proportional to 629,938.80, 944,908.20 and 377,996.40 is: 566,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,938.80 : 944,908.20 = 377,996.40 : x
  2. Step 2: Convert to fraction form
    629,938.80/944,908.20 = 377,996.40/x
  3. Step 3: Cross multiply
    629,938.80x = 944,908.20 × 377,996.40
  4. Step 4: Simplify right side
    629,938.80x = 357,171,897,930.48
  5. Step 5: Solve for x
    x = 357,171,897,930.48/629,938.80
  6. Step 6: Final answer
    x = 566,994.60

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Half scale
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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.