Home / 1,598,166.72-2,205,537.12-919,103.76

Finding the Fourth Proportional to 1,598,166.72, 2,205,537.12 and 919,103.76

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Solution

The fourth proportional to 1,598,166.72, 2,205,537.12 and 919,103.76 is: 1,268,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598,166.72 : 2,205,537.12 = 919,103.76 : x
  2. Step 2: Convert to fraction form
    1,598,166.72/2,205,537.12 = 919,103.76/x
  3. Step 3: Cross multiply
    1,598,166.72x = 2,205,537.12 × 919,103.76
  4. Step 4: Simplify right side
    1,598,166.72x = 2,027,117,459,811.57
  5. Step 5: Solve for x
    x = 2,027,117,459,811.57/1,598,166.72
  6. Step 6: Final answer
    x = 1,268,401.75

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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.