Home / 828,990.45-1,244,008.94-474,696.45

Finding the Fourth Proportional to 828,990.45, 1,244,008.94 and 474,696.45

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Solution

The fourth proportional to 828,990.45, 1,244,008.94 and 474,696.45 is: 712,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,990.45 : 1,244,008.94 = 474,696.45 : x
  2. Step 2: Convert to fraction form
    828,990.45/1,244,008.94 = 474,696.45/x
  3. Step 3: Cross multiply
    828,990.45x = 1,244,008.94 × 474,696.45
  4. Step 4: Simplify right side
    828,990.45x = 590,526,625,212.78
  5. Step 5: Solve for x
    x = 590,526,625,212.78/828,990.45
  6. Step 6: Final answer
    x = 712,344.30

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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.