Home / 629,042.20-943,563.30-488,901.40

Finding the Fourth Proportional to 629,042.20, 943,563.30 and 488,901.40

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Solution

The fourth proportional to 629,042.20, 943,563.30 and 488,901.40 is: 733,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,042.20 : 943,563.30 = 488,901.40 : x
  2. Step 2: Convert to fraction form
    629,042.20/943,563.30 = 488,901.40/x
  3. Step 3: Cross multiply
    629,042.20x = 943,563.30 × 488,901.40
  4. Step 4: Simplify right side
    629,042.20x = 461,309,418,358.62
  5. Step 5: Solve for x
    x = 461,309,418,358.62/629,042.20
  6. Step 6: Final answer
    x = 733,352.10

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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.