Home / 1,023,610.12-1,535,359.78-313,640.22

Finding the Fourth Proportional to 1,023,610.12, 1,535,359.78 and 313,640.22

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Solution

The fourth proportional to 1,023,610.12, 1,535,359.78 and 313,640.22 is: 470,443.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,610.12 : 1,535,359.78 = 313,640.22 : x
  2. Step 2: Convert to fraction form
    1,023,610.12/1,535,359.78 = 313,640.22/x
  3. Step 3: Cross multiply
    1,023,610.12x = 1,535,359.78 × 313,640.22
  4. Step 4: Simplify right side
    1,023,610.12x = 481,550,579,178.35
  5. Step 5: Solve for x
    x = 481,550,579,178.35/1,023,610.12
  6. Step 6: Final answer
    x = 470,443.36

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1.5x scale

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.