Home / 352,054.30-528,081.45-313,347.10

Finding the Fourth Proportional to 352,054.30, 528,081.45 and 313,347.10

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Solution

The fourth proportional to 352,054.30, 528,081.45 and 313,347.10 is: 470,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,054.30 : 528,081.45 = 313,347.10 : x
  2. Step 2: Convert to fraction form
    352,054.30/528,081.45 = 313,347.10/x
  3. Step 3: Cross multiply
    352,054.30x = 528,081.45 × 313,347.10
  4. Step 4: Simplify right side
    352,054.30x = 165,472,790,921.30
  5. Step 5: Solve for x
    x = 165,472,790,921.30/352,054.30
  6. Step 6: Final answer
    x = 470,020.65

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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.