Home / 949,006.86-1,309,629.42-519,287.01

Finding the Fourth Proportional to 949,006.86, 1,309,629.42 and 519,287.01

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Solution

The fourth proportional to 949,006.86, 1,309,629.42 and 519,287.01 is: 716,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,006.86 : 1,309,629.42 = 519,287.01 : x
  2. Step 2: Convert to fraction form
    949,006.86/1,309,629.42 = 519,287.01/x
  3. Step 3: Cross multiply
    949,006.86x = 1,309,629.42 × 519,287.01
  4. Step 4: Simplify right side
    949,006.86x = 680,073,545,719.83
  5. Step 5: Solve for x
    x = 680,073,545,719.83/949,006.86
  6. Step 6: Final answer
    x = 716,616.05

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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.