Home / 1,115,345.35-1,673,014.58-316,627.43

Finding the Fourth Proportional to 1,115,345.35, 1,673,014.58 and 316,627.43

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Solution

The fourth proportional to 1,115,345.35, 1,673,014.58 and 316,627.43 is: 474,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,345.35 : 1,673,014.58 = 316,627.43 : x
  2. Step 2: Convert to fraction form
    1,115,345.35/1,673,014.58 = 316,627.43/x
  3. Step 3: Cross multiply
    1,115,345.35x = 1,673,014.58 × 316,627.43
  4. Step 4: Simplify right side
    1,115,345.35x = 529,722,305,234.79
  5. Step 5: Solve for x
    x = 529,722,305,234.79/1,115,345.35
  6. Step 6: Final answer
    x = 474,940.17

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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.