Home / 778,297.11-1,074,076.71-451,585.43

Finding the Fourth Proportional to 778,297.11, 1,074,076.71 and 451,585.43

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Solution

The fourth proportional to 778,297.11, 1,074,076.71 and 451,585.43 is: 623,203.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,297.11 : 1,074,076.71 = 451,585.43 : x
  2. Step 2: Convert to fraction form
    778,297.11/1,074,076.71 = 451,585.43/x
  3. Step 3: Cross multiply
    778,297.11x = 1,074,076.71 × 451,585.43
  4. Step 4: Simplify right side
    778,297.11x = 485,037,389,902.29
  5. Step 5: Solve for x
    x = 485,037,389,902.29/778,297.11
  6. Step 6: Final answer
    x = 623,203.38

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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.