Home / 1,036,638.30-1,555,648.65-475,383.90

Finding the Fourth Proportional to 1,036,638.30, 1,555,648.65 and 475,383.90

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Solution

The fourth proportional to 1,036,638.30, 1,555,648.65 and 475,383.90 is: 713,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,638.30 : 1,555,648.65 = 475,383.90 : x
  2. Step 2: Convert to fraction form
    1,036,638.30/1,555,648.65 = 475,383.90/x
  3. Step 3: Cross multiply
    1,036,638.30x = 1,555,648.65 × 475,383.90
  4. Step 4: Simplify right side
    1,036,638.30x = 739,530,322,266.74
  5. Step 5: Solve for x
    x = 739,530,322,266.74/1,036,638.30
  6. Step 6: Final answer
    x = 713,392.82

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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.