Home / 911,542.95-1,257,960.38-572,198.31

Finding the Fourth Proportional to 911,542.95, 1,257,960.38 and 572,198.31

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Solution

The fourth proportional to 911,542.95, 1,257,960.38 and 572,198.31 is: 789,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,542.95 : 1,257,960.38 = 572,198.31 : x
  2. Step 2: Convert to fraction form
    911,542.95/1,257,960.38 = 572,198.31/x
  3. Step 3: Cross multiply
    911,542.95x = 1,257,960.38 × 572,198.31
  4. Step 4: Simplify right side
    911,542.95x = 719,802,800,621.97
  5. Step 5: Solve for x
    x = 719,802,800,621.97/911,542.95
  6. Step 6: Final answer
    x = 789,653.19

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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.