Home / 738,831.70-1,108,247.55-177,866.20

Finding the Fourth Proportional to 738,831.70, 1,108,247.55 and 177,866.20

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Solution

The fourth proportional to 738,831.70, 1,108,247.55 and 177,866.20 is: 266,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,831.70 : 1,108,247.55 = 177,866.20 : x
  2. Step 2: Convert to fraction form
    738,831.70/1,108,247.55 = 177,866.20/x
  3. Step 3: Cross multiply
    738,831.70x = 1,108,247.55 × 177,866.20
  4. Step 4: Simplify right side
    738,831.70x = 197,119,780,377.81
  5. Step 5: Solve for x
    x = 197,119,780,377.81/738,831.70
  6. Step 6: Final answer
    x = 266,799.30

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Similar ratio
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1.5x scale

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.