Home / 939,714.26-1,296,815.37-509,998.10

Finding the Fourth Proportional to 939,714.26, 1,296,815.37 and 509,998.10

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Solution

The fourth proportional to 939,714.26, 1,296,815.37 and 509,998.10 is: 703,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,714.26 : 1,296,815.37 = 509,998.10 : x
  2. Step 2: Convert to fraction form
    939,714.26/1,296,815.37 = 509,998.10/x
  3. Step 3: Cross multiply
    939,714.26x = 1,296,815.37 × 509,998.10
  4. Step 4: Simplify right side
    939,714.26x = 661,373,374,750.80
  5. Step 5: Solve for x
    x = 661,373,374,750.80/939,714.26
  6. Step 6: Final answer
    x = 703,802.64

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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.