Home / 762,636.12-1,143,949.05-194,012.34

Finding the Fourth Proportional to 762,636.12, 1,143,949.05 and 194,012.34

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Solution

The fourth proportional to 762,636.12, 1,143,949.05 and 194,012.34 is: 291,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,636.12 : 1,143,949.05 = 194,012.34 : x
  2. Step 2: Convert to fraction form
    762,636.12/1,143,949.05 = 194,012.34/x
  3. Step 3: Cross multiply
    762,636.12x = 1,143,949.05 × 194,012.34
  4. Step 4: Simplify right side
    762,636.12x = 221,940,232,031.28
  5. Step 5: Solve for x
    x = 221,940,232,031.28/762,636.12
  6. Step 6: Final answer
    x = 291,017.20

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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.