Home / 629,087.70-943,631.55-488,946.90

Finding the Fourth Proportional to 629,087.70, 943,631.55 and 488,946.90

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Solution

The fourth proportional to 629,087.70, 943,631.55 and 488,946.90 is: 733,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,087.70 : 943,631.55 = 488,946.90 : x
  2. Step 2: Convert to fraction form
    629,087.70/943,631.55 = 488,946.90/x
  3. Step 3: Cross multiply
    629,087.70x = 943,631.55 × 488,946.90
  4. Step 4: Simplify right side
    629,087.70x = 461,385,721,114.70
  5. Step 5: Solve for x
    x = 461,385,721,114.70/629,087.70
  6. Step 6: Final answer
    x = 733,420.35

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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.