Home / 840,150.46-1,259,810.97-366,630.94

Finding the Fourth Proportional to 840,150.46, 1,259,810.97 and 366,630.94

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Solution

The fourth proportional to 840,150.46, 1,259,810.97 and 366,630.94 is: 549,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,150.46 : 1,259,810.97 = 366,630.94 : x
  2. Step 2: Convert to fraction form
    840,150.46/1,259,810.97 = 366,630.94/x
  3. Step 3: Cross multiply
    840,150.46x = 1,259,810.97 × 366,630.94
  4. Step 4: Simplify right side
    840,150.46x = 461,885,680,153.41
  5. Step 5: Solve for x
    x = 461,885,680,153.41/840,150.46
  6. Step 6: Final answer
    x = 549,765.43

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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.