Home / 669,201.40-1,003,802.10-624,586.60

Finding the Fourth Proportional to 669,201.40, 1,003,802.10 and 624,586.60

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Solution

The fourth proportional to 669,201.40, 1,003,802.10 and 624,586.60 is: 936,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,201.40 : 1,003,802.10 = 624,586.60 : x
  2. Step 2: Convert to fraction form
    669,201.40/1,003,802.10 = 624,586.60/x
  3. Step 3: Cross multiply
    669,201.40x = 1,003,802.10 × 624,586.60
  4. Step 4: Simplify right side
    669,201.40x = 626,961,340,711.86
  5. Step 5: Solve for x
    x = 626,961,340,711.86/669,201.40
  6. Step 6: Final answer
    x = 936,879.90

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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.