Home / 1,456,105.70-2,183,640.15-657,769.70

Finding the Fourth Proportional to 1,456,105.70, 2,183,640.15 and 657,769.70

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Solution

The fourth proportional to 1,456,105.70, 2,183,640.15 and 657,769.70 is: 986,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,105.70 : 2,183,640.15 = 657,769.70 : x
  2. Step 2: Convert to fraction form
    1,456,105.70/2,183,640.15 = 657,769.70/x
  3. Step 3: Cross multiply
    1,456,105.70x = 2,183,640.15 × 657,769.70
  4. Step 4: Simplify right side
    1,456,105.70x = 1,436,332,326,373.45
  5. Step 5: Solve for x
    x = 1,436,332,326,373.45/1,456,105.70
  6. Step 6: Final answer
    x = 986,420.37

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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.