Home / 1,755,453.75-2,421,840.37-1,020,285.87

Finding the Fourth Proportional to 1,755,453.75, 2,421,840.37 and 1,020,285.87

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Solution

The fourth proportional to 1,755,453.75, 2,421,840.37 and 1,020,285.87 is: 1,407,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,453.75 : 2,421,840.37 = 1,020,285.87 : x
  2. Step 2: Convert to fraction form
    1,755,453.75/2,421,840.37 = 1,020,285.87/x
  3. Step 3: Cross multiply
    1,755,453.75x = 2,421,840.37 × 1,020,285.87
  4. Step 4: Simplify right side
    1,755,453.75x = 2,470,969,508,906.57
  5. Step 5: Solve for x
    x = 2,470,969,508,906.57/1,755,453.75
  6. Step 6: Final answer
    x = 1,407,595.90

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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.