Home / 984,257.78-1,358,225.55-554,563.31

Finding the Fourth Proportional to 984,257.78, 1,358,225.55 and 554,563.31

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Solution

The fourth proportional to 984,257.78, 1,358,225.55 and 554,563.31 is: 765,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,257.78 : 1,358,225.55 = 554,563.31 : x
  2. Step 2: Convert to fraction form
    984,257.78/1,358,225.55 = 554,563.31/x
  3. Step 3: Cross multiply
    984,257.78x = 1,358,225.55 × 554,563.31
  4. Step 4: Simplify right side
    984,257.78x = 753,222,049,943.44
  5. Step 5: Solve for x
    x = 753,222,049,943.44/984,257.78
  6. Step 6: Final answer
    x = 765,269.09

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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.