Home / 746,719.80-1,120,453.28-341,911.12

Finding the Fourth Proportional to 746,719.80, 1,120,453.28 and 341,911.12

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Solution

The fourth proportional to 746,719.80, 1,120,453.28 and 341,911.12 is: 513,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,719.80 : 1,120,453.28 = 341,911.12 : x
  2. Step 2: Convert to fraction form
    746,719.80/1,120,453.28 = 341,911.12/x
  3. Step 3: Cross multiply
    746,719.80x = 1,120,453.28 × 341,911.12
  4. Step 4: Simplify right side
    746,719.80x = 383,095,435,872.47
  5. Step 5: Solve for x
    x = 383,095,435,872.47/746,719.80
  6. Step 6: Final answer
    x = 513,037.74

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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.