Home / 1,072,945.70-1,609,418.55-483,121.70

Finding the Fourth Proportional to 1,072,945.70, 1,609,418.55 and 483,121.70

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Solution

The fourth proportional to 1,072,945.70, 1,609,418.55 and 483,121.70 is: 724,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,945.70 : 1,609,418.55 = 483,121.70 : x
  2. Step 2: Convert to fraction form
    1,072,945.70/1,609,418.55 = 483,121.70/x
  3. Step 3: Cross multiply
    1,072,945.70x = 1,609,418.55 × 483,121.70
  4. Step 4: Simplify right side
    1,072,945.70x = 777,545,025,887.54
  5. Step 5: Solve for x
    x = 777,545,025,887.54/1,072,945.70
  6. Step 6: Final answer
    x = 724,682.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.