Home / 828,197.04-1,242,587.16-407,768.16

Finding the Fourth Proportional to 828,197.04, 1,242,587.16 and 407,768.16

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Solution

The fourth proportional to 828,197.04, 1,242,587.16 and 407,768.16 is: 611,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,197.04 : 1,242,587.16 = 407,768.16 : x
  2. Step 2: Convert to fraction form
    828,197.04/1,242,587.16 = 407,768.16/x
  3. Step 3: Cross multiply
    828,197.04x = 1,242,587.16 × 407,768.16
  4. Step 4: Simplify right side
    828,197.04x = 506,687,479,872.83
  5. Step 5: Solve for x
    x = 506,687,479,872.83/828,197.04
  6. Step 6: Final answer
    x = 611,795.81

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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.