Home / 933,979.20-1,398,895.20-809,563.20

Finding the Fourth Proportional to 933,979.20, 1,398,895.20 and 809,563.20

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Solution

The fourth proportional to 933,979.20, 1,398,895.20 and 809,563.20 is: 1,212,547.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,979.20 : 1,398,895.20 = 809,563.20 : x
  2. Step 2: Convert to fraction form
    933,979.20/1,398,895.20 = 809,563.20/x
  3. Step 3: Cross multiply
    933,979.20x = 1,398,895.20 × 809,563.20
  4. Step 4: Simplify right side
    933,979.20x = 1,132,494,074,576.64
  5. Step 5: Solve for x
    x = 1,132,494,074,576.64/933,979.20
  6. Step 6: Final answer
    x = 1,212,547.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.