Home / 1,582,154.70-2,373,342.74-783,221.73

Finding the Fourth Proportional to 1,582,154.70, 2,373,342.74 and 783,221.73

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Solution

The fourth proportional to 1,582,154.70, 2,373,342.74 and 783,221.73 is: 1,174,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582,154.70 : 2,373,342.74 = 783,221.73 : x
  2. Step 2: Convert to fraction form
    1,582,154.70/2,373,342.74 = 783,221.73/x
  3. Step 3: Cross multiply
    1,582,154.70x = 2,373,342.74 × 783,221.73
  4. Step 4: Simplify right side
    1,582,154.70x = 1,858,853,606,705.74
  5. Step 5: Solve for x
    x = 1,858,853,606,705.74/1,582,154.70
  6. Step 6: Final answer
    x = 1,174,887.39

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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.