Home / 949,111.02-1,309,773.22-519,391.16

Finding the Fourth Proportional to 949,111.02, 1,309,773.22 and 519,391.16

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Solution

The fourth proportional to 949,111.02, 1,309,773.22 and 519,391.16 is: 716,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,111.02 : 1,309,773.22 = 519,391.16 : x
  2. Step 2: Convert to fraction form
    949,111.02/1,309,773.22 = 519,391.16/x
  3. Step 3: Cross multiply
    949,111.02x = 1,309,773.22 × 519,391.16
  4. Step 4: Simplify right side
    949,111.02x = 680,284,632,072.74
  5. Step 5: Solve for x
    x = 680,284,632,072.74/949,111.02
  6. Step 6: Final answer
    x = 716,759.81

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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.