Home / 1,152,666.35-1,729,082.58-442,694.39

Finding the Fourth Proportional to 1,152,666.35, 1,729,082.58 and 442,694.39

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Solution

The fourth proportional to 1,152,666.35, 1,729,082.58 and 442,694.39 is: 664,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,666.35 : 1,729,082.58 = 442,694.39 : x
  2. Step 2: Convert to fraction form
    1,152,666.35/1,729,082.58 = 442,694.39/x
  3. Step 3: Cross multiply
    1,152,666.35x = 1,729,082.58 × 442,694.39
  4. Step 4: Simplify right side
    1,152,666.35x = 765,455,161,228.70
  5. Step 5: Solve for x
    x = 765,455,161,228.70/1,152,666.35
  6. Step 6: Final answer
    x = 664,073.48

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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.