Home / 407,981.43-563,004.15-226,693.83

Finding the Fourth Proportional to 407,981.43, 563,004.15 and 226,693.83

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Solution

The fourth proportional to 407,981.43, 563,004.15 and 226,693.83 is: 312,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,981.43 : 563,004.15 = 226,693.83 : x
  2. Step 2: Convert to fraction form
    407,981.43/563,004.15 = 226,693.83/x
  3. Step 3: Cross multiply
    407,981.43x = 563,004.15 × 226,693.83
  4. Step 4: Simplify right side
    407,981.43x = 127,629,567,069.40
  5. Step 5: Solve for x
    x = 127,629,567,069.40/407,981.43
  6. Step 6: Final answer
    x = 312,831.80

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1.5x scale

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.