Home / 949,289.57-1,309,969.31-519,486.65

Finding the Fourth Proportional to 949,289.57, 1,309,969.31 and 519,486.65

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Solution

The fourth proportional to 949,289.57, 1,309,969.31 and 519,486.65 is: 716,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,289.57 : 1,309,969.31 = 519,486.65 : x
  2. Step 2: Convert to fraction form
    949,289.57/1,309,969.31 = 519,486.65/x
  3. Step 3: Cross multiply
    949,289.57x = 1,309,969.31 × 519,486.65
  4. Step 4: Simplify right side
    949,289.57x = 680,511,568,454.71
  5. Step 5: Solve for x
    x = 680,511,568,454.71/949,289.57
  6. Step 6: Final answer
    x = 716,864.06

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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.