Home / 1,313,171.12-1,812,176.10-709,559.12

Finding the Fourth Proportional to 1,313,171.12, 1,812,176.10 and 709,559.12

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Solution

The fourth proportional to 1,313,171.12, 1,812,176.10 and 709,559.12 is: 979,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,171.12 : 1,812,176.10 = 709,559.12 : x
  2. Step 2: Convert to fraction form
    1,313,171.12/1,812,176.10 = 709,559.12/x
  3. Step 3: Cross multiply
    1,313,171.12x = 1,812,176.10 × 709,559.12
  4. Step 4: Simplify right side
    1,313,171.12x = 1,285,846,078,801.03
  5. Step 5: Solve for x
    x = 1,285,846,078,801.03/1,313,171.12
  6. Step 6: Final answer
    x = 979,191.56

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1.5x scale

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.