Home / 670,063.08-1,005,217.74-220,810.44

Finding the Fourth Proportional to 670,063.08, 1,005,217.74 and 220,810.44

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Solution

The fourth proportional to 670,063.08, 1,005,217.74 and 220,810.44 is: 331,256.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,063.08 : 1,005,217.74 = 220,810.44 : x
  2. Step 2: Convert to fraction form
    670,063.08/1,005,217.74 = 220,810.44/x
  3. Step 3: Cross multiply
    670,063.08x = 1,005,217.74 × 220,810.44
  4. Step 4: Simplify right side
    670,063.08x = 221,962,571,465.21
  5. Step 5: Solve for x
    x = 221,962,571,465.21/670,063.08
  6. Step 6: Final answer
    x = 331,256.23

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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.