Home / 945,792.16-1,419,330.84-384,928.72

Finding the Fourth Proportional to 945,792.16, 1,419,330.84 and 384,928.72

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Solution

The fourth proportional to 945,792.16, 1,419,330.84 and 384,928.72 is: 577,654.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,792.16 : 1,419,330.84 = 384,928.72 : x
  2. Step 2: Convert to fraction form
    945,792.16/1,419,330.84 = 384,928.72/x
  3. Step 3: Cross multiply
    945,792.16x = 1,419,330.84 × 384,928.72
  4. Step 4: Simplify right side
    945,792.16x = 546,341,203,497.73
  5. Step 5: Solve for x
    x = 546,341,203,497.73/945,792.16
  6. Step 6: Final answer
    x = 577,654.61

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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.