Home / 1,111,119.70-1,533,469.54-627,715.92

Finding the Fourth Proportional to 1,111,119.70, 1,533,469.54 and 627,715.92

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Solution

The fourth proportional to 1,111,119.70, 1,533,469.54 and 627,715.92 is: 866,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,119.70 : 1,533,469.54 = 627,715.92 : x
  2. Step 2: Convert to fraction form
    1,111,119.70/1,533,469.54 = 627,715.92/x
  3. Step 3: Cross multiply
    1,111,119.70x = 1,533,469.54 × 627,715.92
  4. Step 4: Simplify right side
    1,111,119.70x = 962,583,243,093.08
  5. Step 5: Solve for x
    x = 962,583,243,093.08/1,111,119.70
  6. Step 6: Final answer
    x = 866,318.22

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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.