Home / 1,874,155.71-2,811,233.54-454,211.79

Finding the Fourth Proportional to 1,874,155.71, 2,811,233.54 and 454,211.79

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Solution

The fourth proportional to 1,874,155.71, 2,811,233.54 and 454,211.79 is: 681,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,155.71 : 2,811,233.54 = 454,211.79 : x
  2. Step 2: Convert to fraction form
    1,874,155.71/2,811,233.54 = 454,211.79/x
  3. Step 3: Cross multiply
    1,874,155.71x = 2,811,233.54 × 454,211.79
  4. Step 4: Simplify right side
    1,874,155.71x = 1,276,895,416,040.38
  5. Step 5: Solve for x
    x = 1,276,895,416,040.38/1,874,155.71
  6. Step 6: Final answer
    x = 681,317.68

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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.