Home / 828,475.44-1,143,681.12-624,608.88

Finding the Fourth Proportional to 828,475.44, 1,143,681.12 and 624,608.88

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Solution

The fourth proportional to 828,475.44, 1,143,681.12 and 624,608.88 is: 862,250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,475.44 : 1,143,681.12 = 624,608.88 : x
  2. Step 2: Convert to fraction form
    828,475.44/1,143,681.12 = 624,608.88/x
  3. Step 3: Cross multiply
    828,475.44x = 1,143,681.12 × 624,608.88
  4. Step 4: Simplify right side
    828,475.44x = 714,353,383,440.35
  5. Step 5: Solve for x
    x = 714,353,383,440.35/828,475.44
  6. Step 6: Final answer
    x = 862,250.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.