Home / 1,207,301.60-1,810,841.68-408,491.66

Finding the Fourth Proportional to 1,207,301.60, 1,810,841.68 and 408,491.66

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Solution

The fourth proportional to 1,207,301.60, 1,810,841.68 and 408,491.66 is: 612,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,301.60 : 1,810,841.68 = 408,491.66 : x
  2. Step 2: Convert to fraction form
    1,207,301.60/1,810,841.68 = 408,491.66/x
  3. Step 3: Cross multiply
    1,207,301.60x = 1,810,841.68 × 408,491.66
  4. Step 4: Simplify right side
    1,207,301.60x = 739,713,723,860.39
  5. Step 5: Solve for x
    x = 739,713,723,860.39/1,207,301.60
  6. Step 6: Final answer
    x = 612,700.03

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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.