Home / 1,313,525.12-1,812,623.51-770,022.87

Finding the Fourth Proportional to 1,313,525.12, 1,812,623.51 and 770,022.87

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Solution

The fourth proportional to 1,313,525.12, 1,812,623.51 and 770,022.87 is: 1,062,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,525.12 : 1,812,623.51 = 770,022.87 : x
  2. Step 2: Convert to fraction form
    1,313,525.12/1,812,623.51 = 770,022.87/x
  3. Step 3: Cross multiply
    1,313,525.12x = 1,812,623.51 × 770,022.87
  4. Step 4: Simplify right side
    1,313,525.12x = 1,395,761,553,549.56
  5. Step 5: Solve for x
    x = 1,395,761,553,549.56/1,313,525.12
  6. Step 6: Final answer
    x = 1,062,607.44

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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.