Home / 1,004,119.53-1,385,338.56-641,755.50

Finding the Fourth Proportional to 1,004,119.53, 1,385,338.56 and 641,755.50

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Solution

The fourth proportional to 1,004,119.53, 1,385,338.56 and 641,755.50 is: 885,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,119.53 : 1,385,338.56 = 641,755.50 : x
  2. Step 2: Convert to fraction form
    1,004,119.53/1,385,338.56 = 641,755.50/x
  3. Step 3: Cross multiply
    1,004,119.53x = 1,385,338.56 × 641,755.50
  4. Step 4: Simplify right side
    1,004,119.53x = 889,048,640,242.08
  5. Step 5: Solve for x
    x = 889,048,640,242.08/1,004,119.53
  6. Step 6: Final answer
    x = 885,401.20

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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.