Home / 1,517,325.30-2,094,207.81-905,171.67

Finding the Fourth Proportional to 1,517,325.30, 2,094,207.81 and 905,171.67

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Solution

The fourth proportional to 1,517,325.30, 2,094,207.81 and 905,171.67 is: 1,249,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,325.30 : 2,094,207.81 = 905,171.67 : x
  2. Step 2: Convert to fraction form
    1,517,325.30/2,094,207.81 = 905,171.67/x
  3. Step 3: Cross multiply
    1,517,325.30x = 2,094,207.81 × 905,171.67
  4. Step 4: Simplify right side
    1,517,325.30x = 1,895,617,580,704.74
  5. Step 5: Solve for x
    x = 1,895,617,580,704.74/1,517,325.30
  6. Step 6: Final answer
    x = 1,249,315.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.