Home / 919,958.83-1,269,543.22-512,051.91

Finding the Fourth Proportional to 919,958.83, 1,269,543.22 and 512,051.91

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Solution

The fourth proportional to 919,958.83, 1,269,543.22 and 512,051.91 is: 706,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,958.83 : 1,269,543.22 = 512,051.91 : x
  2. Step 2: Convert to fraction form
    919,958.83/1,269,543.22 = 512,051.91/x
  3. Step 3: Cross multiply
    919,958.83x = 1,269,543.22 × 512,051.91
  4. Step 4: Simplify right side
    919,958.83x = 650,072,031,268.62
  5. Step 5: Solve for x
    x = 650,072,031,268.62/919,958.83
  6. Step 6: Final answer
    x = 706,631.66

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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.