Home / 746,676.40-1,120,160.40-297,320.80

Finding the Fourth Proportional to 746,676.40, 1,120,160.40 and 297,320.80

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Solution

The fourth proportional to 746,676.40, 1,120,160.40 and 297,320.80 is: 446,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,676.40 : 1,120,160.40 = 297,320.80 : x
  2. Step 2: Convert to fraction form
    746,676.40/1,120,160.40 = 297,320.80/x
  3. Step 3: Cross multiply
    746,676.40x = 1,120,160.40 × 297,320.80
  4. Step 4: Simplify right side
    746,676.40x = 333,046,986,256.32
  5. Step 5: Solve for x
    x = 333,046,986,256.32/746,676.40
  6. Step 6: Final answer
    x = 446,039.26

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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.