Home / 693,609.40-1,040,414.10-652,137.40

Finding the Fourth Proportional to 693,609.40, 1,040,414.10 and 652,137.40

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Solution

The fourth proportional to 693,609.40, 1,040,414.10 and 652,137.40 is: 978,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,609.40 : 1,040,414.10 = 652,137.40 : x
  2. Step 2: Convert to fraction form
    693,609.40/1,040,414.10 = 652,137.40/x
  3. Step 3: Cross multiply
    693,609.40x = 1,040,414.10 × 652,137.40
  4. Step 4: Simplify right side
    693,609.40x = 678,492,946,097.34
  5. Step 5: Solve for x
    x = 678,492,946,097.34/693,609.40
  6. Step 6: Final answer
    x = 978,206.10

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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.