Home / 850,309.51-1,173,428.32-463,126.44

Finding the Fourth Proportional to 850,309.51, 1,173,428.32 and 463,126.44

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Solution

The fourth proportional to 850,309.51, 1,173,428.32 and 463,126.44 is: 639,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,309.51 : 1,173,428.32 = 463,126.44 : x
  2. Step 2: Convert to fraction form
    850,309.51/1,173,428.32 = 463,126.44/x
  3. Step 3: Cross multiply
    850,309.51x = 1,173,428.32 × 463,126.44
  4. Step 4: Simplify right side
    850,309.51x = 543,445,678,121.15
  5. Step 5: Solve for x
    x = 543,445,678,121.15/850,309.51
  6. Step 6: Final answer
    x = 639,115.14

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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.