Home / 470,789.65-649,682.06-255,935.13

Finding the Fourth Proportional to 470,789.65, 649,682.06 and 255,935.13

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Solution

The fourth proportional to 470,789.65, 649,682.06 and 255,935.13 is: 353,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,789.65 : 649,682.06 = 255,935.13 : x
  2. Step 2: Convert to fraction form
    470,789.65/649,682.06 = 255,935.13/x
  3. Step 3: Cross multiply
    470,789.65x = 649,682.06 × 255,935.13
  4. Step 4: Simplify right side
    470,789.65x = 166,276,459,236.36
  5. Step 5: Solve for x
    x = 166,276,459,236.36/470,789.65
  6. Step 6: Final answer
    x = 353,186.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.