Home / 939,626.03-1,296,684.76-509,906.16

Finding the Fourth Proportional to 939,626.03, 1,296,684.76 and 509,906.16

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Solution

The fourth proportional to 939,626.03, 1,296,684.76 and 509,906.16 is: 703,670.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,626.03 : 1,296,684.76 = 509,906.16 : x
  2. Step 2: Convert to fraction form
    939,626.03/1,296,684.76 = 509,906.16/x
  3. Step 3: Cross multiply
    939,626.03x = 1,296,684.76 × 509,906.16
  4. Step 4: Simplify right side
    939,626.03x = 661,187,546,702.12
  5. Step 5: Solve for x
    x = 661,187,546,702.12/939,626.03
  6. Step 6: Final answer
    x = 703,670.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.