Home / 470,822.23-649,742.07-255,963.12

Finding the Fourth Proportional to 470,822.23, 649,742.07 and 255,963.12

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Solution

The fourth proportional to 470,822.23, 649,742.07 and 255,963.12 is: 353,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,822.23 : 649,742.07 = 255,963.12 : x
  2. Step 2: Convert to fraction form
    470,822.23/649,742.07 = 255,963.12/x
  3. Step 3: Cross multiply
    470,822.23x = 649,742.07 × 255,963.12
  4. Step 4: Simplify right side
    470,822.23x = 166,310,007,432.46
  5. Step 5: Solve for x
    x = 166,310,007,432.46/470,822.23
  6. Step 6: Final answer
    x = 353,233.12

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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.