Home / 384,105.33-576,904.91-313,080.08

Finding the Fourth Proportional to 384,105.33, 576,904.91 and 313,080.08

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Solution

The fourth proportional to 384,105.33, 576,904.91 and 313,080.08 is: 470,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,105.33 : 576,904.91 = 313,080.08 : x
  2. Step 2: Convert to fraction form
    384,105.33/576,904.91 = 313,080.08/x
  3. Step 3: Cross multiply
    384,105.33x = 576,904.91 × 313,080.08
  4. Step 4: Simplify right side
    384,105.33x = 180,617,430,925.27
  5. Step 5: Solve for x
    x = 180,617,430,925.27/384,105.33
  6. Step 6: Final answer
    x = 470,228.91

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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.