Home / 417,376.37-626,088.78-117,831.87

Finding the Fourth Proportional to 417,376.37, 626,088.78 and 117,831.87

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Solution

The fourth proportional to 417,376.37, 626,088.78 and 117,831.87 is: 176,754.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,376.37 : 626,088.78 = 117,831.87 : x
  2. Step 2: Convert to fraction form
    417,376.37/626,088.78 = 117,831.87/x
  3. Step 3: Cross multiply
    417,376.37x = 626,088.78 × 117,831.87
  4. Step 4: Simplify right side
    417,376.37x = 73,773,211,733.42
  5. Step 5: Solve for x
    x = 73,773,211,733.42/417,376.37
  6. Step 6: Final answer
    x = 176,754.65

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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.