Home / 874,065.45-1,311,263.55-341,552.82

Finding the Fourth Proportional to 874,065.45, 1,311,263.55 and 341,552.82

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Solution

The fourth proportional to 874,065.45, 1,311,263.55 and 341,552.82 is: 512,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,065.45 : 1,311,263.55 = 341,552.82 : x
  2. Step 2: Convert to fraction form
    874,065.45/1,311,263.55 = 341,552.82/x
  3. Step 3: Cross multiply
    874,065.45x = 1,311,263.55 × 341,552.82
  4. Step 4: Simplify right side
    874,065.45x = 447,865,763,265.71
  5. Step 5: Solve for x
    x = 447,865,763,265.71/874,065.45
  6. Step 6: Final answer
    x = 512,393.85

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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.