Home / 949,087.96-1,309,741.48-519,368.12

Finding the Fourth Proportional to 949,087.96, 1,309,741.48 and 519,368.12

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Solution

The fourth proportional to 949,087.96, 1,309,741.48 and 519,368.12 is: 716,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,087.96 : 1,309,741.48 = 519,368.12 : x
  2. Step 2: Convert to fraction form
    949,087.96/1,309,741.48 = 519,368.12/x
  3. Step 3: Cross multiply
    949,087.96x = 1,309,741.48 × 519,368.12
  4. Step 4: Simplify right side
    949,087.96x = 680,237,970,153.62
  5. Step 5: Solve for x
    x = 680,237,970,153.62/949,087.96
  6. Step 6: Final answer
    x = 716,728.06

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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.