Home / 1,111,375.49-1,533,134.45-702,788.81

Finding the Fourth Proportional to 1,111,375.49, 1,533,134.45 and 702,788.81

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Solution

The fourth proportional to 1,111,375.49, 1,533,134.45 and 702,788.81 is: 969,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,375.49 : 1,533,134.45 = 702,788.81 : x
  2. Step 2: Convert to fraction form
    1,111,375.49/1,533,134.45 = 702,788.81/x
  3. Step 3: Cross multiply
    1,111,375.49x = 1,533,134.45 × 702,788.81
  4. Step 4: Simplify right side
    1,111,375.49x = 1,077,469,729,776.80
  5. Step 5: Solve for x
    x = 1,077,469,729,776.80/1,111,375.49
  6. Step 6: Final answer
    x = 969,492.08

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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.