Home / 960,554.34-1,440,831.50-361,649.86

Finding the Fourth Proportional to 960,554.34, 1,440,831.50 and 361,649.86

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Solution

The fourth proportional to 960,554.34, 1,440,831.50 and 361,649.86 is: 542,474.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,554.34 : 1,440,831.50 = 361,649.86 : x
  2. Step 2: Convert to fraction form
    960,554.34/1,440,831.50 = 361,649.86/x
  3. Step 3: Cross multiply
    960,554.34x = 1,440,831.50 × 361,649.86
  4. Step 4: Simplify right side
    960,554.34x = 521,076,510,258.59
  5. Step 5: Solve for x
    x = 521,076,510,258.59/960,554.34
  6. Step 6: Final answer
    x = 542,474.79

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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.