Home / 629,905.40-944,858.10-470,473.10

Finding the Fourth Proportional to 629,905.40, 944,858.10 and 470,473.10

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Solution

The fourth proportional to 629,905.40, 944,858.10 and 470,473.10 is: 705,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,905.40 : 944,858.10 = 470,473.10 : x
  2. Step 2: Convert to fraction form
    629,905.40/944,858.10 = 470,473.10/x
  3. Step 3: Cross multiply
    629,905.40x = 944,858.10 × 470,473.10
  4. Step 4: Simplify right side
    629,905.40x = 444,530,319,367.11
  5. Step 5: Solve for x
    x = 444,530,319,367.11/629,905.40
  6. Step 6: Final answer
    x = 705,709.65

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Half scale
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Double scale
Find fourth proportional to 629,906.40, 944,859.60 and 470,474.10
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.