Home / 1,100,648.12-1,650,698.76-621,086.45

Finding the Fourth Proportional to 1,100,648.12, 1,650,698.76 and 621,086.45

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Solution

The fourth proportional to 1,100,648.12, 1,650,698.76 and 621,086.45 is: 931,475.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,648.12 : 1,650,698.76 = 621,086.45 : x
  2. Step 2: Convert to fraction form
    1,100,648.12/1,650,698.76 = 621,086.45/x
  3. Step 3: Cross multiply
    1,100,648.12x = 1,650,698.76 × 621,086.45
  4. Step 4: Simplify right side
    1,100,648.12x = 1,025,226,632,867.80
  5. Step 5: Solve for x
    x = 1,025,226,632,867.80/1,100,648.12
  6. Step 6: Final answer
    x = 931,475.39

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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.