Home / 1,720,027.80-2,579,385.60-521,551.80

Finding the Fourth Proportional to 1,720,027.80, 2,579,385.60 and 521,551.80

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Solution

The fourth proportional to 1,720,027.80, 2,579,385.60 and 521,551.80 is: 782,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,027.80 : 2,579,385.60 = 521,551.80 : x
  2. Step 2: Convert to fraction form
    1,720,027.80/2,579,385.60 = 521,551.80/x
  3. Step 3: Cross multiply
    1,720,027.80x = 2,579,385.60 × 521,551.80
  4. Step 4: Simplify right side
    1,720,027.80x = 1,345,283,202,574.08
  5. Step 5: Solve for x
    x = 1,345,283,202,574.08/1,720,027.80
  6. Step 6: Final answer
    x = 782,128.76

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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.