Home / 674,923.20-1,012,396.80-201,614.40

Finding the Fourth Proportional to 674,923.20, 1,012,396.80 and 201,614.40

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Solution

The fourth proportional to 674,923.20, 1,012,396.80 and 201,614.40 is: 302,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,923.20 : 1,012,396.80 = 201,614.40 : x
  2. Step 2: Convert to fraction form
    674,923.20/1,012,396.80 = 201,614.40/x
  3. Step 3: Cross multiply
    674,923.20x = 1,012,396.80 × 201,614.40
  4. Step 4: Simplify right side
    674,923.20x = 204,113,773,393.92
  5. Step 5: Solve for x
    x = 204,113,773,393.92/674,923.20
  6. Step 6: Final answer
    x = 302,425.18

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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.