Home / 1,719,245.70-2,578,868.55-457,200.90

Finding the Fourth Proportional to 1,719,245.70, 2,578,868.55 and 457,200.90

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Solution

The fourth proportional to 1,719,245.70, 2,578,868.55 and 457,200.90 is: 685,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,245.70 : 2,578,868.55 = 457,200.90 : x
  2. Step 2: Convert to fraction form
    1,719,245.70/2,578,868.55 = 457,200.90/x
  3. Step 3: Cross multiply
    1,719,245.70x = 2,578,868.55 × 457,200.90
  4. Step 4: Simplify right side
    1,719,245.70x = 1,179,061,022,041.70
  5. Step 5: Solve for x
    x = 1,179,061,022,041.70/1,719,245.70
  6. Step 6: Final answer
    x = 685,801.35

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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.