Home / 470,039.12-704,908.92-154,422.80

Finding the Fourth Proportional to 470,039.12, 704,908.92 and 154,422.80

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Solution

The fourth proportional to 470,039.12, 704,908.92 and 154,422.80 is: 231,585.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,039.12 : 704,908.92 = 154,422.80 : x
  2. Step 2: Convert to fraction form
    470,039.12/704,908.92 = 154,422.80/x
  3. Step 3: Cross multiply
    470,039.12x = 704,908.92 × 154,422.80
  4. Step 4: Simplify right side
    470,039.12x = 108,854,009,171.38
  5. Step 5: Solve for x
    x = 108,854,009,171.38/470,039.12
  6. Step 6: Final answer
    x = 231,585.00

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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.