Home / 938,180.48-1,407,271.12-228,204.16

Finding the Fourth Proportional to 938,180.48, 1,407,271.12 and 228,204.16

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Solution

The fourth proportional to 938,180.48, 1,407,271.12 and 228,204.16 is: 342,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,180.48 : 1,407,271.12 = 228,204.16 : x
  2. Step 2: Convert to fraction form
    938,180.48/1,407,271.12 = 228,204.16/x
  3. Step 3: Cross multiply
    938,180.48x = 1,407,271.12 × 228,204.16
  4. Step 4: Simplify right side
    938,180.48x = 321,145,123,831.86
  5. Step 5: Solve for x
    x = 321,145,123,831.86/938,180.48
  6. Step 6: Final answer
    x = 342,306.34

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Double scale
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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.