Home / 1,491,084.09-2,236,459.46-411,677.69

Finding the Fourth Proportional to 1,491,084.09, 2,236,459.46 and 411,677.69

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Solution

The fourth proportional to 1,491,084.09, 2,236,459.46 and 411,677.69 is: 617,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,084.09 : 2,236,459.46 = 411,677.69 : x
  2. Step 2: Convert to fraction form
    1,491,084.09/2,236,459.46 = 411,677.69/x
  3. Step 3: Cross multiply
    1,491,084.09x = 2,236,459.46 × 411,677.69
  4. Step 4: Simplify right side
    1,491,084.09x = 920,700,451,030.76
  5. Step 5: Solve for x
    x = 920,700,451,030.76/1,491,084.09
  6. Step 6: Final answer
    x = 617,470.51

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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.