Home / 1,230,496.20-1,845,744.30-1,155,700.80

Finding the Fourth Proportional to 1,230,496.20, 1,845,744.30 and 1,155,700.80

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Solution

The fourth proportional to 1,230,496.20, 1,845,744.30 and 1,155,700.80 is: 1,733,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,496.20 : 1,845,744.30 = 1,155,700.80 : x
  2. Step 2: Convert to fraction form
    1,230,496.20/1,845,744.30 = 1,155,700.80/x
  3. Step 3: Cross multiply
    1,230,496.20x = 1,845,744.30 × 1,155,700.80
  4. Step 4: Simplify right side
    1,230,496.20x = 2,133,128,164,105.44
  5. Step 5: Solve for x
    x = 2,133,128,164,105.44/1,230,496.20
  6. Step 6: Final answer
    x = 1,733,551.20

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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.