Home / 470,825.86-649,747.08-255,966.74

Finding the Fourth Proportional to 470,825.86, 649,747.08 and 255,966.74

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Solution

The fourth proportional to 470,825.86, 649,747.08 and 255,966.74 is: 353,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,825.86 : 649,747.08 = 255,966.74 : x
  2. Step 2: Convert to fraction form
    470,825.86/649,747.08 = 255,966.74/x
  3. Step 3: Cross multiply
    470,825.86x = 649,747.08 × 255,966.74
  4. Step 4: Simplify right side
    470,825.86x = 166,313,640,612.29
  5. Step 5: Solve for x
    x = 166,313,640,612.29/470,825.86
  6. Step 6: Final answer
    x = 353,238.12

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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.