Home / 828,356.16-1,243,778.40-473,770.56

Finding the Fourth Proportional to 828,356.16, 1,243,778.40 and 473,770.56

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Solution

The fourth proportional to 828,356.16, 1,243,778.40 and 473,770.56 is: 711,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,356.16 : 1,243,778.40 = 473,770.56 : x
  2. Step 2: Convert to fraction form
    828,356.16/1,243,778.40 = 473,770.56/x
  3. Step 3: Cross multiply
    828,356.16x = 1,243,778.40 × 473,770.56
  4. Step 4: Simplify right side
    828,356.16x = 589,265,589,083.90
  5. Step 5: Solve for x
    x = 589,265,589,083.90/828,356.16
  6. Step 6: Final answer
    x = 711,367.43

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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.