Home / 896,789.12-1,237,578.56-494,395.52

Finding the Fourth Proportional to 896,789.12, 1,237,578.56 and 494,395.52

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Solution

The fourth proportional to 896,789.12, 1,237,578.56 and 494,395.52 is: 682,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,789.12 : 1,237,578.56 = 494,395.52 : x
  2. Step 2: Convert to fraction form
    896,789.12/1,237,578.56 = 494,395.52/x
  3. Step 3: Cross multiply
    896,789.12x = 1,237,578.56 × 494,395.52
  4. Step 4: Simplify right side
    896,789.12x = 611,853,295,712.05
  5. Step 5: Solve for x
    x = 611,853,295,712.05/896,789.12
  6. Step 6: Final answer
    x = 682,271.10

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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.