Home / 1,115,346.08-1,673,119.92-316,635.68

Finding the Fourth Proportional to 1,115,346.08, 1,673,119.92 and 316,635.68

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Solution

The fourth proportional to 1,115,346.08, 1,673,119.92 and 316,635.68 is: 474,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,346.08 : 1,673,119.92 = 316,635.68 : x
  2. Step 2: Convert to fraction form
    1,115,346.08/1,673,119.92 = 316,635.68/x
  3. Step 3: Cross multiply
    1,115,346.08x = 1,673,119.92 × 316,635.68
  4. Step 4: Simplify right side
    1,115,346.08x = 529,769,463,590.75
  5. Step 5: Solve for x
    x = 529,769,463,590.75/1,115,346.08
  6. Step 6: Final answer
    x = 474,982.14

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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.