Home / 828,953.28-1,243,429.92-229,914.45

Finding the Fourth Proportional to 828,953.28, 1,243,429.92 and 229,914.45

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Solution

The fourth proportional to 828,953.28, 1,243,429.92 and 229,914.45 is: 344,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,953.28 : 1,243,429.92 = 229,914.45 : x
  2. Step 2: Convert to fraction form
    828,953.28/1,243,429.92 = 229,914.45/x
  3. Step 3: Cross multiply
    828,953.28x = 1,243,429.92 × 229,914.45
  4. Step 4: Simplify right side
    828,953.28x = 285,882,506,170.34
  5. Step 5: Solve for x
    x = 285,882,506,170.34/828,953.28
  6. Step 6: Final answer
    x = 344,871.68

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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.