Home / 949,189.48-1,309,863.96-519,460.96

Finding the Fourth Proportional to 949,189.48, 1,309,863.96 and 519,460.96

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Solution

The fourth proportional to 949,189.48, 1,309,863.96 and 519,460.96 is: 716,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,189.48 : 1,309,863.96 = 519,460.96 : x
  2. Step 2: Convert to fraction form
    949,189.48/1,309,863.96 = 519,460.96/x
  3. Step 3: Cross multiply
    949,189.48x = 1,309,863.96 × 519,460.96
  4. Step 4: Simplify right side
    949,189.48x = 680,423,190,131.00
  5. Step 5: Solve for x
    x = 680,423,190,131.00/949,189.48
  6. Step 6: Final answer
    x = 716,846.54

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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.