Home / 949,342.12-1,422,440.70-667,482.28

Finding the Fourth Proportional to 949,342.12, 1,422,440.70 and 667,482.28

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Solution

The fourth proportional to 949,342.12, 1,422,440.70 and 667,482.28 is: 1,000,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,342.12 : 1,422,440.70 = 667,482.28 : x
  2. Step 2: Convert to fraction form
    949,342.12/1,422,440.70 = 667,482.28/x
  3. Step 3: Cross multiply
    949,342.12x = 1,422,440.70 × 667,482.28
  4. Step 4: Simplify right side
    949,342.12x = 949,453,961,600.80
  5. Step 5: Solve for x
    x = 949,453,961,600.80/949,342.12
  6. Step 6: Final answer
    x = 1,000,117.81

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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.